In the preferred embodiment, the fabric cover 30 and cuff 40 extends completely about {HEAD ~ the periphery} of {TAIL ~ the core} 20 
of
In the preferred embodiment , the fabric cover 30 and cuff 40 extends completely about { HEAD ~ the periphery } of { TAIL ~ the core } 20
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH