The connector 6, wherein said one or more channels comprises {HEAD ~ two or more channels} aligned parallel to {TAIL ~ said first axis} 
aligned parallel to
The connector 6 , wherein said one or more channels comprises { HEAD ~ two or more channels } aligned parallel to { TAIL ~ said first axis }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL