In plan view the pad has {HEAD ~ an elongated egg shape}, matching {TAIL ~ the shape} of the end of the butt 
In plan view the pad has { HEAD ~ an elongated egg shape } , matching { TAIL ~ the shape } of the end of the butt
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH