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