Both upper and lower surfaces of the cushion and arm {HEAD ~ portions} of {TAIL ~ the pad} frictionally engage with the players apparel and shoulder, respectively 
of
Both upper and lower surfaces of the cushion and arm { HEAD ~ portions } of { TAIL ~ the pad } frictionally engage with the players apparel and shoulder , respectively
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH