Briefly, {HEAD ~ the invention} contemplates an adjustable arm having {TAIL ~ a base member} with a base rotatable joint member connected to the base member 
Briefly , { HEAD ~ the invention } contemplates an adjustable arm having { TAIL ~ a base member } with a base rotatable joint member connected to the base member
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH