The elastic tether is deformable for providing {TAIL ~ a first length} during the plug cap engaging {HEAD ~ the plug} 
The elastic tether is deformable for providing { TAIL ~ a first length } during the plug cap engaging { HEAD ~ the plug }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD