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