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