Kings can move, Queens, Bishops, and also Rooks can move backwards.
The teeth curl backwards to prevent struggling prey from escaping.
no bird can only move backwards! only a hummingbird has the ability to move backwards but it also moves forwards and left to right!
no
your arms.
Braces can be used to move teeth.
Tug of war it the game that you try to always move backwards in but its not that easy when you try
yes
canooing
Yes.
in Chinese Checkers, you can move any way you want. Yes, backwards too.
The winners in a "tug of war" go backwards