Preferably the bushing has {HEAD ~ radial bushing projections} extending into the material and the frame has {TAIL ~ inner frame projections} extending into the material 
Preferably the bushing has { HEAD ~ radial bushing projections } extending into the material and the frame has { TAIL ~ inner frame projections } extending into the material
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH