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