{HEAD ~ the collet} comprises a planar member, a lip portion, {TAIL ~ a beveled portion} and one or more apertures 
comprises
{ HEAD ~ the collet } comprises a planar member , a lip portion , { TAIL ~ a beveled portion } and one or more apertures
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH