{HEAD ~ The holes} are laterally spaced apart a dimension equal to the predetermined dimension of {TAIL ~ the parallel end portions} so that the end portions may be inserted therein in a removably retained manner 
{ HEAD ~ The holes } are laterally spaced apart a dimension equal to the predetermined dimension of { TAIL ~ the parallel end portions } so that the end portions may be inserted therein in a removably retained manner
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH