You can hand tackle (push over) a player who is in possession of the ball.
You hand tackle by pushing the other person with your open hand on the side, back, or upper arm.
It is illegal to:
o Hand tackle someone who doesnt have possession of the ball.
o Push someone into another boat, the side of the pool, or another obstruction.
o Pull someone towards you.
o Fend off someone trying to hand tackle you by pushing back with your hand, arm, or elbow.
o Grab an opponents body, gear, or boat to stop them from moving.
o Prevent someone from rolling or otherwise righting themselves after a flip.
o Tackle a player who has declared themselves No Tackle.
o Tackle a player if you are a No Tackle player.