The planar block of resilient material may have an array of apertures/surrounding and parallel to {HEAD ~ the bushing} to increase {TAIL ~ the compressibility} and shock absorbing qualities of the material 
The planar block of resilient material may have an array of apertures / surrounding and parallel to { HEAD ~ the bushing } to increase { TAIL ~ the compressibility } and shock absorbing qualities of the material
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH