Fake severed arm

The fake severed arm is a recurring prop on Smosh, made of plastic or rubber and resembling a hand, typically severed at the forearm. They were first used in the 2007 video "Handshake".

"Handshake"
A fake severed arm is used when Anthony rips off Ian's arm. It was later used again when Anthony, under his "NOT Anthony" disguise, tried to sell Ian his severed arm back.