The intermediate member contains a plurality of segmented circular concentrically spaced slots corresponding with {HEAD ~ the grooves} of {TAIL ~ the base} and cover member planar faces 
of
The intermediate member contains a plurality of segmented circular concentrically spaced slots corresponding with { HEAD ~ the grooves } of { TAIL ~ the base } and cover member planar faces
OTH OTH 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 OTH OTH OTH OTH OTH