A radially outward surface of each of {HEAD ~ the bars} is connected to {TAIL ~ a respective radially inner surface} of each of the rings 
A radially outward surface of each of { HEAD ~ the bars } is connected to { TAIL ~ a respective radially inner surface } of each of the rings
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH