As {HEAD ~ a lateral force} is applied to {TAIL ~ the back end} of the temple, the temple flexes at a thinned wall section of the notch for a first distance of travel T1, with the tip portion moving toward the front end of the temple until the tip abuts the wall of the notch 
is applied to
As { HEAD ~ a lateral force } is applied to { TAIL ~ the back end } of the temple , the temple flexes at a thinned wall section of the notch for a first distance of travel T1 , with the tip portion moving toward the front end of the temple until the tip abuts the wall of the notch
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH