{TAIL ~ A layer} of high friction resilient material is also provided and is attached to portions of {HEAD ~ the jamb liner sash guide pocket inner surfaces} facing the locking means 
{ TAIL ~ A layer } of high friction resilient material is also provided and is attached to portions of { HEAD ~ the jamb liner sash guide pocket inner surfaces } facing the locking means
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH