A first toggle link 94 is pivotally attached at {TAIL ~ one end} to the first handle 86 at a point 96 and {HEAD ~ a second toggle link} 98 is pivotally attached at one end to the second handle 90 at a point 100 
A first toggle link 94 is pivotally attached at { TAIL ~ one end } to the first handle 86 at a point 96 and { HEAD ~ a second toggle link } 98 is pivotally attached at one end to the second handle 90 at a point 100
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH