The proximal end of the elongated extension is pivotally connected to {TAIL ~ a base housing}, which is fastened to {HEAD ~ the interior} of the vehicle immediately above the drivers door opening 
The proximal end of the elongated extension is pivotally connected to { TAIL ~ a base housing } , which is fastened to { HEAD ~ the interior } of the vehicle immediately above the drivers door opening
OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH