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