[open] shell game

Theo
That response made Theo look at Sam, wondering if he were a bit daft. Of course you don't let the customer touch the cup. It's a scam; never let anyone do anything out of your control. But Theo had an inveterate liar's distaste for outright admitting to his deception. Instead he simply said, "Oh, you know. Get into all sorts of trouble that way. Plus, you never know where their hands have been."

can't say good morning without lying twice

coding base by Skylark