{HEAD ~ Shock absorber} comprising {TAIL ~ a metal peripheral frame} spaced apart from and surrounding a planar block of resilient material contacting substantially all the inside surface of said frame, said resilient block having a cylindrical aperture to receive a pivot pin, 
{ HEAD ~ Shock absorber } comprising { TAIL ~ a metal peripheral frame } spaced apart from and surrounding a planar block of resilient material contacting substantially all the inside surface of said frame , said resilient block having a cylindrical aperture to receive a pivot pin ,
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