A pair of relatively rotatable face to face metal swivel plates centrally secured together adjacent the common center axis and arranged along their respective margins for {HEAD ~ respective securement} to an article and {TAIL ~ the base} 
A pair of relatively rotatable face to face metal swivel plates centrally secured together adjacent the common center axis and arranged along their respective margins for { HEAD ~ respective securement } to an article and { TAIL ~ the base }
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 OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL