an elastically expandable sleeve having {HEAD ~ an inside surface} surrounding {TAIL ~ a longitudinal axis} adapted to receive and surround a protruding part of a body 
an elastically expandable sleeve having { HEAD ~ an inside surface } surrounding { TAIL ~ a longitudinal axis } adapted to receive and surround a protruding part of a body
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH