I doubt that it would shrink much but it would definitely get stiffer, and therefore it would be more difficult to turn.
No you don't need one if you're always cold. A heat shrink tunnel is a machine thats very often on a conveyor belt that assist in the packaging on boxes with shrink wrap, its job is to apply heat so the shrink wrap is snug up against the boxes.
yes
They don't really shrink. The skin is very elastic, but when it's cold, it contracts in order to preserve heat.
It doesn't shrink, it melts. But when it is too hot, and no cold comes back. It melts.. just like ice.
Cold air contracts and becomes denser, so it tends to shrink in volume. This is why inflated objects like balloons or tires appear to deflate in cold weather.
slipping alternator/power steering/ auxillary drive belt
Drive belt slipping? Compressor seizing and not turning?
You can shrink your silicon bag by washing it off in cold water.
They all shrink. You need to wash the baby clothes in cold water and hang dry them if your scared they will shrink.
they can shrink in cold climates
to Obtain Heat
I would suspect a worn drive belt. Inspect all belts.