The method 13, wherein one or more grip bands comprising the relatively hard elements are disposed on {HEAD ~ the outer face} of {TAIL ~ the expandable tubing} 
The method 13 , wherein one or more grip bands comprising the relatively hard elements are disposed on { HEAD ~ the outer face } of { TAIL ~ the expandable tubing }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL