In {HEAD ~ some embodiments}, the cover may be particularly configured about {TAIL ~ the core} to form the cuff 
In { HEAD ~ some embodiments } , the cover may be particularly configured about { TAIL ~ the core } to form the cuff
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH