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