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Leather Hardeners

Make your leather rock hard with our line of leather stiffener that harden your leather better than wet moulding or casing ever could, great for making masks, models, pockets and more! Some of our stiffeners are able to work on Chrome tanned leather as well as vegetable tanned leather giving you the ultimate in choice (please see individual listings for more details).
Kyoshin Elle Water Based Leather Stiffener, Leathercraft Hardener 100ml
Harden your leather craft artwork with this water based leather stiffener, great for all kinds of leather, create masks, models and stiffen cases with this leather treatment.
Craft Sha Max Strength Leathercraft Hardener to Stiffen & Firm Leather 120ml
This high strength water based leather stiffener is excellent for ensuring your leather holds its shape far better than wet moulding will, great for making masks, models, holsters or strengthening leathercraft designs.
Kyoshin Elle Oil Based Leather Stiffener, High Strength Leathercraft Hardener
Strengthen and stiffen your leather with this alcohol based stiffener from Kyoshin Elle, formulated specifically for hardening leathercraft you'll be able to make all sorts of masks, models, holsters and more!