receiving tray 64 and are surrounded by circumferential exterior sidewall 66 and circumferential interior sidewall 68 the first quick release engagement member 20 is placed into the receiving cavity 72 of mouth guard 60 in the manner previously described and second quick release engagement member 32 is placed onto one of the face mask bars 120 130 or 140 in the manner previously described with the strap 12 positioned between the person 39 s mouth 230 and the face mask bars 120 130 and 140 with the strap hanging down below the helmet as illustrated in fig1 when the person is engaged in a heavy contact sport such as football violent collisions frequently occur when such violent collisions occur the helmet 100 is sometimes knocked off the person 39 s head 210 when the helmet 100 is caused to be removed from the person 39 s head in this violent way the strap 12 has a tugging force imparted on at least one end 14 or 16 and sometimes on both ends 14 and 16 depending on the nature of the force the location where the force impacts the helmet 100 etc if the tugging force on the strap 12 is at the location of the first end 14 the first quick release engagement member 20 is released from the cavity 72 of mouth guard 60 in the manner previously described and the mouth guard 60.