An adjustable support mount having {HEAD ~ a clamp plate} with a fulcrum and {TAIL ~ a clamp plate extension} 
An adjustable support mount having { HEAD ~ a clamp plate } with a fulcrum and { TAIL ~ a clamp plate extension }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL