Here's a trick that you can do after dinner with just a napkin and a butter knife. You drape a napkin over your hand and a butter knife appears to pass right through the napkin. It's an impromptu effect that requires no gimmicks. You can perform this one with a pencil or pen, but it's traditionally performed with a butter knife.
Here's how it looks to spectators. You show your hand and get ready to drape the napkin over your hand.
