6. Cut a coin with your teeth
Magicians often give the impression of possessing extraordinary powers and one of its powers is having incredible strength. Some demonstrate this by cutting a piece in half by biting it.
You can’t cut a coin in half just by biting it. It is a fake coin, commercially available, donated by an accomplice in the public who masquerades as a willing spectator. It is all an illusion. In some cases, it is the accomplice in the audience who actually has the piece already cut.