Scuffle Bolster Lock | Green Linen Micarta + Stonewash S90VAll Jack Wolf Knives are limited release. Once they are gone, they are gone! The Scuffle, a collaboration between Jack Wolf Knives and Nick Rogers (Nitch Designs), is JWKs biggest locking knife yet. With its 3. 52 hollow ground S90V blade and titanium frame bolster lock handle, this burley design comes alive in four irresistible configurations. Every detail of the Scuffle is dialled in, creating an exceptional piece for users and collectors alike.