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Movable Jaw Or Static Jaw On A Sex Doll? The Pros And Cons
It takes a choice between two otherwise identical dolls to make most customers think about the jaw at all. With a movable jaw (also called a ROS jaw or a hinged jaw) the mouth can open and close. The static or fixed jaw is the type where the mouth is permanently closed. There's a time and place for each, and your own wants from the doll decide which.
 
Expression That Never Changes
A fixed jaw is precisely what it sounds like: the mouth is sculpted closed and stays closed permanently. Her expression is locked in place, so she looks the same irrespective of pose, mood or context. This is perfectly fine for most customers, since a closed mouth is typically the most natural and appealing expression regardless. Sculpt by sculpt, a relaxed closed mouth gives off an assured, approachable or serene feel, and works as it is.
 
Flexibility for Photography and Roleplay
Opening and closing the mouth lets a movable jaw produce a far wider range of expressions. What's truly appealing for photography and roleplay is the flexibility to show surprise, arousal, mid-speech or any other moment you can imagine. The jaw swings on a hinge inside the head, powered by a small mechanism that you ordinarily can't see, hidden in the neck or the back of the head. Some purchasers find the mouth, when it's open, a functional opening that's more realistic for certain kinds of use.
 
Expression Between Shots
Chief among the movable jaw's upsides is expressiveness. With a closed mouth a doll only ever looks one way, but with a movable jaw she can look many different ways depending on how the jaw is positioned. This is a gigantic upside for photography, because the expression can change between shots without changing the doll. For roleplay there's an added layer of realism, beyond a static jaw's reach, as the mouth opens and closes instead of staying fixed.
 
When Oral Use Is a Priority
A second advantage is practical realism. If the mouth plays a part in intimacy for you, a movable jaw is truly more realistic, because it opens and closes the way a genuine mouth does. Because it's designed to be seen, the interior of the mouth on movable-jaw dolls is generally sculpted with more detail, and the tongue and teeth are more prominent as a result. Know this if oral use is a priority; otherwise it may not matter to you at all.
 
Lifelike in Photos and in Person
The third advantage is how a movable jaw can look more natural in certain poses. A lying-down doll, for example, can look somewhat stiff with a closed mouth but more relaxed and natural with an open one. It's true of some sitting or reclining poses as well: an open mouth looks more lifelike. Photographers' preference for movable-jaw dolls is partly down to this effect, which is subtle but visible in photos and in person.
 
Downside One: It Changes the Facial Structure
The first downside of a movable jaw is its effect on the facial structure. The cheeks pull back, the chin drops and the nose angle shifts when the jaw is open, so the doll looks distinct from her closed-mouth photos. Subtle differences and a natural-looking open mouth are found in some dolls. Others end up looking less appealing than with a closed mouth, because the open mouth looks exaggerated or unnatural. Look at photos of both states before you commit; it varies massively from sculpt to sculpt.
 
A Static Jaw Never Has Jaw Problems
Drawback number two is mechanical complexity. A movable jaw is made of more parts, can break in more ways, and has more potential for problems over time. The interior of the mouth can be harder to clean, the jaw can become misaligned, and the hinge mechanism can loosen. Worth knowing about, though not dealbreakers, these issues don't affect a static jaw, which will never develop a jaw-related difficulty.
 
What a Movable Jaw Adds to the Price
Third on the drawbacks list is cost. Generally only a modest amount, the additional a movable jaw adds to the cost is still a premium not every customer wants to pay. If you're not planning to use the mouth, and you're happy with the closed-mouth expression, the extra cost of a movable jaw is wasted money. The same goes if money is tight and you'd rather spend on a better skeleton or wig, both arguably more vital to the overall experience.
 
Maintenance Time and Jaw Choice
The fourth drawback requires cleaning, which can be harder with a movable jaw. The mouth interior is more accessible but more of a trap for moisture and bacteria, and it must be dried fully after every use. The interior of a static mouth isn't designed to be accessible, which makes it simpler to clean, with a faster, less involved routine. The sensible option for anyone averse to extra maintenance time is a static jaw.
 
Closed Mouths Photograph Naturally
Fifth on the list of disadvantages is photography. Good photos are harder to get with a movable jaw than you'd think, since the open-mouth look doesn't consistently work with the pose or the light. Closed mouths photograph naturally in virtually any setting, but an open mouth needs more diligent framing and posing before it looks right. If you're not a seasoned photographer, a static jaw will give you better results more reliably than a movable one.
 
Default Expressions Matter for Display
In certain contexts the open mouth can look unnatural, and that's the sixth drawback. With a closed mouth the same doll looks composed and natural, but a doll sitting quietly on a shelf with her mouth wide open looks odd. Planning on display only, without roleplay or photography? Then a static jaw wins, as the default expression is more fitting.
 
Making the Final Call
Think about what you in fact want from the doll; that decides it. Photography, roleplay and a wish for maximum expressiveness all point to a movable jaw being worth the premium. When companionship and intimacy are the purpose and you want the most natural-looking face possible, a static jaw is normally better. Because it's cheaper, simpler and can't develop jaw-related complications, a static jaw is the safer alternative if you're not sure.
 
Best of Both Worlds
One more choice: some producers make a middle-ground movable jaw that's designed to stay largely closed. You can open the mouth on these dolls, but unless you actively open the jaw it stays in its default closed position. Natural by default, expressive when wanted: that is the best of both worlds. When you're torn between the two choices, it's worth asking about this middle ground.
 
A Reversible Decision With Removable Heads
Look at photos of both versions if the doll you want comes in static and movable jaw choices and is otherwise identical. Compare the open mouth with the closed mouth and decide whether it's an expression you'd in fact use. If you can't picture yourself ever employing the open mouth, buy the static version and keep the money. The movable jaw is worth the premium if you can. With a removable head the decision is reversible either way; you can buy a head with the opposite jaw type if you change your mind.
 
Stiff, Awkward and Drooping: Signs of a Poor Jaw
It's worth asking a quality question too. Movable jaws from different makers vary hugely in smoothness and in how well they hold their position. A great movable jaw opens smoothly and stays where you put it, while a poor one is stiff, awkward, and prone to drooping. Considering a movable jaw? Ask the retailer for a video or thorough description of how the mechanism works, and don't be afraid to walk away if the answer isn't reassuring. Do your homework, because a bad movable jaw is worse than a good static jaw.
 
Factor Maintenance Into the Decision
The maintenance question deserves some thought as well. Small gaps, made by the mechanism, let moisture and bacteria accumulate, so movable jaws need to be cleaned more carefully than static ones. Diligence matters: if the interior of the mouth isn't dried after every use, a movable jaw can develop issues that static jaws are immune to. Movable jaws aren't off the table, but this is worth being honest with yourself about: will you really do the maintenance? If you're already finding the cleaning routine a chore, a movable jaw will add to it, and that's worth factoring into the decision.
 
Still Not Sure? Remember the Closed Mouth
No jaw type is universally better, and that's the bottom line. They're both valid choices with their own fans and their own trade-offs. The strengths of movable jaws are more expression and functional realism, and those of static jaws are simplicity, lower cost and a more consistently natural look. The deciding factor is how you'll use the doll, not how great something looks on paper. Think of the closed mouth as the safe default: it suits the widest range of situations and looks natural in the widest range of poses. More info at this The Only Guide to Sex Dolls Right Now- What to Expect (https://lorinacosmetics.com.ua/index.php?topic=1422.new#new) 0046f3c  bearing in mind The Only Overview of Sex Dolls- What You Need to Know (https://bloodhunterviktor.com/bhforums/showthread.php?tid=1281) and An Honest Word on Sex Dolls Today- The Truth (https://prepperforum.se/showthread.php?tid=108855). Also check out  navigate to this site (https://gbill.ru/forums/topic/486/a-candid-rundown-of-sex-dolls-today-the-real-talk/view/post_id/490) not forgetting sites such as  extra resources (https://prepperforum.se/showthread.php?tid=107894) alongside all  next (https://www.blitzschmiede-mv.de/viewtopic.php?t=47679) not forgetting sites such as  take a look at the site here (https://app.pagetelegram.com/viewtopic.php?t=103281) together with  this (https://dark0de.org/showthread.php?tid=330) which is worth considering with  look at this now (http://forum.golf-club.org.ua/viewtopic.php?t=93546) as well as  weblink (https://cbfunk.ch/forum/viewtopic.php?t=1514) as well as  next (http://forum.anchorpointpodcast.com/viewtopic.php?t=387865) as well as  look at more info (https://catrachosporelmundo.com/index.php?topic=10843.new) and  more helpful hints (http://guitarproof.free.fr/phpBB/viewtopic.php?p=2748) for more.