Please view the Rules for. Roller inline hockey, or inline hockey is a variant of hockey played on a hard, smooth surface, with players using inline skates to move and hockey sticks to shoot a hard, plastic puck into their opponent's goal to score points. The sport is a very fast-paced and free-flowing game and is considered a contact sport, but body checking is prohibited. There are five. RMRHL uses rules from USA Roller Hockey. RMRHL house rules may be updated to fit league needs. If you have wheels on your feet, a helmet must be on your head! Players, Referees, Coaches (who skate) must always wear a helmet when on the rink. Players must also always wear helmets when on the player's bench or in penalty box during hockey play.