You don't have to take your shoes off to jump on a banjo.
Because he was barefooted!!!
A slipper. (Made this up today, but almost definitely will have been made up before by someone else)
I take my boots off to jump on the trampoline.
Spring time :D I'm not funny (..)
A: One is loud obnoxious and noisy the other is a bird.
A: They make good paddles.