{HEAD ~ The sheath} has an open proximal end for receiving the male genital member and {TAIL ~ a distal end} that has a distal tip that is selectively closed 
has
{ HEAD ~ The sheath } has an open proximal end for receiving the male genital member and { TAIL ~ a distal end } that has a distal tip that is selectively closed
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH