In the episode where Phil is "going out with the guys" and he sort of knocks out that one guy with his wizard, watch how Phil puts the sunglasses on him then he talks to Keely for a moment and you see that Phil does not move his arms at all and when the camera shot goes back to the guy you see the sunglasses are under his ear and when it goes to Keely then back to the guy the sunglasses are in the correct position.