The legs each has a stop engaged with the extensions for retaining {HEAD ~ the plate} to {TAIL ~ the base} 
The legs each has a stop engaged with the extensions for retaining { HEAD ~ the plate } to { TAIL ~ the base }
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