After the ball is ready for play and before the snap begins, no false start shall be made by any A player. It is a false start if:

a. A shift or feigned charge simulates action at the snap.

b. Any act is clearly intended to cause B to encroach.

c. Any A player on his line between the snapper and the player on the end of his line, after having placed a hand(s) on or near the ground, moves his hand(s) or makes any quick movement.