The caps may not be switched after the flip. One warning, followed by a one-point penalty per infraction thereafter . No coaching of a player in a singles event by anyone. In doubles, advice may be given by a person's partner only. One warning, one point penalty per infraction thereafter .
All boards are to be sprayed with silicone prior to the start of an event.
How often this is done thereafter is up to the discretion of the tournament director . The following criteria must be met for a shot to be a legal delivery. One foot must be on the ground and both feet must be behind the deuce line when the shot is delivered. Penalty for violation is the loss of that shot. Any weights that have been knocked off or moved shall be replaced.