In selected embodiments, an extension link may be constructed so that {HEAD ~ the length} between the stud and {TAIL ~ aperture} is adjustable 
between
In selected embodiments , an extension link may be constructed so that { HEAD ~ the length } between the stud and { TAIL ~ aperture } is adjustable
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH