All chanichim are lying on their tummies in a circle (facing towards the center). Place your hands palm down in the circle and get all Chanichim to place their left hands over the person to the left of them's right hand. One person starts the 'pulse' by slapping their hand on the ground. The aim is to get the pulse all the way around the circle. If someone stuffs up or is too slow, the game starts again from the begining. For an interesting twist - if you bang your hand twice on the ground, the direction changes.