A shed is a building or structure that is used to store things.
Not their entire eyes - but ... There is a transparent, protective covering over the snakes eyes - called the 'brille' It is discarded with the old skin each time the snake sheds - as it develops a...
Divest
No, the rattle's skin sheds off, not the rattle itself.
All frogs and toads shed their skin, because most species eat their skin you won't find the shed skins in nature, like snake-skins.