In another version, {TAIL ~ the restraints} are pulled back against {HEAD ~ the knees} when the user sits down 
In another version , { TAIL ~ the restraints } are pulled back against { HEAD ~ the knees } when the user sits down
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH