Roy Weatherbee a master mask maker, made a pretzel mask that was lighter and stronger for goalie Bernie Parent.

Roy Weatherbee advanced the pretzel mask again by furthering the protectiveness of the mask by studying the tensile properties of fibreglass, and his improved design was worn by a large number of older goaltenders as we entered the 1967 Expansion age. Parent first wore his pretzel mask while playing for the Boston Bruins in the 1966-67 season