{HEAD ~ The center portion} 46 preferably has a center opening 48 on the side adjacent {TAIL ~ the open top} end 44A of the body 44 
{ HEAD ~ The center portion } 46 preferably has a center opening 48 on the side adjacent { TAIL ~ the open top } end 44A of the body 44
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH