A tool 1 wherein said coupling of said first toggle link is effected at said second pivot point of said second arm and said {HEAD ~ coupling} of said second toggle link is effected at said {TAIL ~ first pivot point} of said first arm 
is effected at
A tool 1 wherein said coupling of said first toggle link is effected at said second pivot point of said second arm and said { HEAD ~ coupling } of said second toggle link is effected at said { TAIL ~ first pivot point } of said first arm
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH