Some examples:
A ring slides on but gets stuck trying to take it back off.
A kid puts his head through metal slats on a railing, but can’t pull it back through.
A girl gets her body in a clothes dryer, but can’t get back out.
If we can fit forward, shouldn’t we be able to fit backwards, too?
In: 358
In general, a lot of things fit only in one direction.
For example, a sawtooth-shaped object fits easier in one direction because the gradual increase in size makes it easier to deform whatever the object is trying to enter, while the sudden increase when moving back makes it harder to pull back.
For your specific examples:
* Putting a ring on your finger is easy because you have a gradual increase towards the knuckle, which is the largest part of the finger, while you don’t have this same graduality when taking it off.
* Putting your head through bars is easy since your head with its curvatures will ease your head in the direction it needs to go through them. Taking it out is hard because your chin doesn’t have the same curvatures leading you to the optimal head rotation. The same goes for the body stuck thing.
Also, on top of that, keep in mind that panic is a real thing which does make some operations harder.
Think of a porcupine quill. The barbs go in and stretch your skin as they do. When it’s fully in though, the pointy end of the barb is sticking in your skin, not stretching it. Even without the barbs, the head of the quill would still be pushing against the skin, not stretching it.
The same logic can be applied to many examples, such as a ring on a finger
I recall reading somewhere that there’s an involuntary contraction in your jaw muscles that occurs when you open your jaw to its maximum limit. That’s why it can be difficult to get that cue ball back out even though it went it without much effort.
take your fingers and place them on the corners of your jaws – at the back, on either side…. think about the V shape of your jaw – how you could push that through something tight like a metal ring or two metal bars… but then trying to pull back afterward would catch on the back of the jaws…
Head through slats is usually and ear issue. They flatten against the skull well going forward, not so great going back.
A ring for example the area get swell and don’t allow to get the ring out of the finger, when it was not swell before the ring was on place.
The finger gets swollen from struggling, and the venous blood can’t drain. If it hasn’t been too long you can get the ring off if you first hold your hand over your head for a few minutes and let the veins drain.
(Assuming this is your finger. If it’s your friend this won’t work)
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