I hate this cards past a chip is a bet rule. In one Las Vegas room I saw the follwing happen:

A player had placed a single chip on the top of his cards to protect them. There was a bet to him and he decided to look at his cards again. With one hand he slid the the chip forard and picked up the edge of the cards. You guessed, -- it was called a bet because the single chip went forawrd past the edge of his cards.