Hell-grip is a technical article produced on raw goat which, in addition to guaranteeing the \\"grip\\" effect, is not subject to wear and does not lose color over time. It is offered in both chrome and metal free tanning. A light sanding on the grain side ensures perfect sealing when gluing. The double dyeing with barrel fixative as well as guaranteeing the color fastness does not alter the suede effect. The article is compliant with European legislation with support of chemical analysis and physical-mechanical tests
