The Ruskin Penetration by Mat Parrott

Two cards are selected and folded. One is placed within the other. They then visually penetrate each other. Immediately afterwards both cards are shown to be unharmed and able to be examined.

“It's good. Does what it says on the tin. Write something pretty and let me know what I said” - Alan Rorrison

“A great piece of impromptu magic for any performer.” - Ashleigh Goodwin