deploying the first member of the second pair such that the first member of the second pair swings from a distal position to {HEAD ~ a proximal position} against {TAIL ~ the tissue wall} of the second vessel; and 
against
deploying the first member of the second pair such that the first member of the second pair swings from a distal position to { HEAD ~ a proximal position } against { TAIL ~ the tissue wall } of the second vessel ; and
OTH OTH OTH 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 HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH