A device has a proximate end connected to {HEAD ~ the first channel} and a distal end connected to a support such that the assembly depends from {TAIL ~ the support} 
A device has a proximate end connected to { HEAD ~ the first channel } and a distal end connected to a support such that the assembly depends from { TAIL ~ the support }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL