A grind rail apparatus coupleable to an underside of a footwear for grinding is provided. The grind rail apparatus includes a body having an upper side and a lower side, the upper side of the body coupled to the underside of the footwear. The grind rail apparatus also includes a plurality of rails extending from the lower side of the body.

 
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< Physical interaction means and related uses thereof

< Multi-layer honeycomb sole

> Footwear upper

> Footwear tread

~ 00256