The legs each includes a slot formed therein for receiving the stops respectively, the stops each includes a protrusion extended inward of the opening of {HEAD ~ the plate} for engaging with {TAIL ~ the extensions} 
for engaging with
The legs each includes a slot formed therein for receiving the stops respectively , the stops each includes a protrusion extended inward of the opening of { HEAD ~ the plate } for engaging with { TAIL ~ the extensions }
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 HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL