REQUEST:you play this tickling game with your black-haired friend, the one with gray-ish nail polish and long, thin toes from playing footsie different positions 9. you sit on her legs, with her soles arched facing up. you trace letters and numbers on her soles with your fingernails and she has to guess which letter/number you drew on her soles. if she guesses incorrectly, you tickle her soles with your fingers and she laughs.