Knife game
The knife game, pinfinger, nerve, bishop, stabscotch, or five finger fillet (FFF), is a game wherein, placing the palm of one's hand down on a table with fingers apart, using a knife, or sharp object, one attempts to stab back and forth between one's fingers, moving the object back and forth, trying to not hit one's fingers. The game may be safely played with the eraser side of a pencil.
The order in which the spaces between the fingers are stabbed varies. In the following examples, the spaces are numbered 1 (behind the thumb) through 6 (after the little finger).