The reinforcing members are mechanically clamped between {TAIL ~ inner and outer anchor members} that form {HEAD ~ the packer heads} 
The reinforcing members are mechanically clamped between { TAIL ~ inner and outer anchor members } that form { HEAD ~ the packer heads }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD