Friction is generated between the outer surface of the unattached portion of {HEAD ~ the friction damper} and {TAIL ~ the underside} of the adjacent shroud 
Friction is generated between the outer surface of the unattached portion of { HEAD ~ the friction damper } and { TAIL ~ the underside } of the adjacent shroud
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH