{TAIL ~ A thumb break strap} or flap or other type of retainer may be used in {HEAD ~ this embodiment} 
{ TAIL ~ A thumb break strap } or flap or other type of retainer may be used in { HEAD ~ this embodiment }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD