This invention relates to {HEAD ~ a chair} to be used by {TAIL ~ workers} such as programmers who spend long periods of time in chairs and particularly to a chair that provides knee restraints together with lower back restraint that relieve strain on the back 
to be used by
This invention relates to { HEAD ~ a chair } to be used by { TAIL ~ workers } such as programmers who spend long periods of time in chairs and particularly to a chair that provides knee restraints together with lower back restraint that relieve strain on the back
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH