"Knismesis and gargalesis are the scientific terms, coined in 1897 by psychologists G. Stanley Hall and Arthur Allin, used to describe the two types of tickling. Knismesis refers to the light, feather-like type of tickling."
i'm not ticklish, but it would probably tickle me if you tried to swipe your card. if it's a chip card that you have to insert and leave in, just keep it to yourself.