The bracket is {HEAD ~ a curved sheet} positioned around at least a part of the truncated cone and having {TAIL ~ an adjustable bracket diameter} 
having
The bracket is { HEAD ~ a curved sheet } positioned around at least a part of the truncated cone and having { TAIL ~ an adjustable bracket diameter }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL