The fin can be removed, moved laterally within {TAIL ~ the slot}, and canted by changing {HEAD ~ the insert} 
The fin can be removed , moved laterally within { TAIL ~ the slot } , and canted by changing { HEAD ~ the insert }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD