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