A sealing and gripping element for an expandable downhole tool features a ring supporting a sealing material with radially extending {HEAD ~ rings} into {TAIL ~ the sealing material} during run in 
into
A sealing and gripping element for an expandable downhole tool features a ring supporting a sealing material with radially extending { HEAD ~ rings } into { TAIL ~ the sealing material } during run in
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH