control linkage means connecting said indicator tab to said {HEAD ~ control} means in such a manner that said control means moves said indicator tab from its first position to its second position upon {TAIL ~ the achievement} of a predetermined tension by said T bolt 
control linkage means connecting said indicator tab to said { HEAD ~ control } means in such a manner that said control means moves said indicator tab from its first position to its second position upon { TAIL ~ the achievement } of a predetermined tension by said T bolt
OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH