The second member is adapted to be attached to a boat canopy and has at least one locking flange for insertion into {HEAD ~ the channel} of {TAIL ~ the first member} 
of
The second member is adapted to be attached to a boat canopy and has at least one locking flange for insertion into { HEAD ~ the channel } of { TAIL ~ the first member }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL