A practical joke involving twisting a staple into
a 3D triangluar shape so that when
thrown on the ground, a pointy part will always
stick up. Can be thrown into
the back of peoples' shoes when
they are leaning forward and distracted. Will produce a sharp pain in the inflicted and much anger towards
J: caltrops, caltrops, CALTROP!
guy, the staples are stuck in my foot!