44.1 Clipping - Clipping is the act of throwing the body, from any direction, across or below the knees of an opponent.
A player may not deliver a check in a “clipping” manner, nor lower his own body position to deliver a check on or below an opponent’s knees.
An illegal “low hit” is a check that is delivered by a player or goalkeeper who may or may not have both skates on the ice, with his sole intent to check the opponent in the area of his knees. A player may not lower his body position to deliver a check to an opponent’s knees.
No need for the defenseman to go that low