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