Grinderz is a self-service skate sharpening kiosk that allows parents and kids to be able to sharpen their skates at the rink in place of a pro shop. A computer is attached to a Sparx sharpening machines that allows individuals to sharpen at a rink.
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I sharpened letters and broke them into pieces, so the logo came out with a literal sharp message looking as skates leave marks on the ice.