Reaction of Butternut to Vinegar/Steel Solution

1) Place steel (nail, steelwool, etc) in container with White Vinegar.

2) Allow to soak at least 2 hours.

3) Apply solution to butternut.

4) After dry, burnish with something hard (antler, bone, etc)

Repeat steps 3 - 4 as many times as needed until desired darkness achieved.