We turn our horn roller nuts from moose antler by hand.
You may upgrade to a horn roller nut, from the standard high density Delrin plastic nut. Horn is strong, fast, and is the material used in period. Both Delrin and horn are equally strong.
Available on: Finnish, Flemish Arbalist, Germanic, Italian, Maximilian, Padre Island, Skane, Straight, Ulrich, Western Bows