Last year with the help of a friend I had purchased Helle Viking Knife blanks from Ragweed Forge to make into groomsman gifts for a commission. We visited Dixon’s Muzzleloading Shop to pick-up gun stock scraps of tiger maple for the handles and scraps of leather to make into sheaths.
We shaped the handles and hand sanded with 220 grit on the wood and 400 at grit on the bolster edge.
We then raised the grain on the wood 3x. The process was the apply water to the wood with fingers, use a propane torch to rapidly dry the wood to raise the grain and rub the wood smooth again with 0000 steel wool.
Next the Aquafortis acid stain was applied with a dauber to all handles. The torch was used to oxidize the stain and the heat turned the wood reddish brown. This was started at the bolster because the brass acts as a heat sink and a yellow ring will form at the wood below the bolster if not enough heat is applied.
The torch heat was then passed over the whole handle with just enough heat to make the stain oxidize. If the wood became scorched it could be rubbed out with steel wool. The heat was passed over gently trying to remove any sections with a yellow cast so all was oxidized.
This process was done again starting with a second coat of stain.
The acid was finally neutralized with a mix of 8oz water and couple teaspoons of baking soda, all applied with a dauber. A light bubbling action resulted.
With the wood still warm, it was rubbed with 0000 steel wool and boiled linseed oil. This allowed the oil to soak in and also remove any scorching while bringing up the grain and highlighting the beautiful striations within the wood.
More coats of boiled linseed oil were applied over the next few days allowing the wood to absorb as much as possible.
The knife handles were left to dry before finally packaging in brown grocery paper with a Ballistol wipe and care instructions and wrapped with jute string.