Shock absorber comprising 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 {HEAD ~ a cylindrical aperture} to receive {TAIL ~ a pivot pin}, 
to receive
Shock absorber comprising 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 { HEAD ~ a cylindrical aperture } to receive { TAIL ~ a pivot pin } ,
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