At this point {HEAD ~ the free end} of {TAIL ~ the second toggle link} may be pivoted toward the first arm 70 and its opening 102 slipped over the head of the shoulder screw 104 
of
At this point { HEAD ~ the free end } of { TAIL ~ the second toggle link } may be pivoted toward the first arm 70 and its opening 102 slipped over the head of the shoulder screw 104
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH