I do that often and never found one... some can even be hidden inside the slot: https://www.geek.com/chips/this-card-skimmer-is-so-slim-it-was-hidden-inside-the

I do that often and never found one... some can even be hidden inside the slot: https://www.geek.com/chips/this-card-skimmer-is-so-slim-it-was-hidden-inside-the-card-slot-1631018/ https://www.geek.com/chips/this-card-skimmer-is-so-slim-it-w...