In certain alternative embodiments, {HEAD ~ an extension link} 30 may comprise an adjustable length extension link 30 b having an adjustable length extension link body 37, a male end stud 31, {TAIL ~ a female end opening} 32, and a spring keeper assembly 33 
comprise
In certain alternative embodiments , { HEAD ~ an extension link } 30 may comprise an adjustable length extension link 30 b having an adjustable length extension link body 37 , a male end stud 31 , { TAIL ~ a female end opening } 32 , and a spring keeper assembly 33
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH