Question: 1931–32 Boston Bruins season, in the course of playing a 0–0 tie against the New York Americans on 3 January 1932, the Bruins shot the puck the length of the ice 87 times to relieve pressure on their goal, to stop this becoming a regular tactic, which rule, an infraction in the sport of ice hockey, was introduced into the NHL later in the decade? 
Sentence (from "2008–09 Boston Bruins season"): Their regular season began on the road on October 9, 2008, in Denver versus the Colorado Avalanche and concluded on April 12, 2009, against the New York Islanders.
Relevant evidence: No