That rat is a paraplegic thanks to people who broke its back just for that experiment. Abusive comment hidden. (Show it anyway.)
It's a tube. It's used for tube-like or tube-needing tasks. Abusive comment hidden. (Show it anyway.)
One of those puzzle pieces used in britain for the crows and squirrels to figure out how to get the nut out of? Abusive comment hidden. (Show it anyway.)
I should apologize. I just remembered we're not supposed to link to anything on the guessing board. ...my bad. Abusive comment hidden. (Show it anyway.)
Holy crap...the web image of an electreat apparatus does indeed look almost exactly like the device pictured above! Abusive comment hidden. (Show it anyway.)
:p