Quick Answer
Quality bark cordage is characterized by its ability to resist water, withstand tension, and hold its shape. It should be strong, flexible, and resistant to decay. Ideal bark material comes from trees with a high concentration of phenolic compounds.
Choosing the Right Bark
When selecting bark for cordage, look for trees with a high concentration of phenolic compounds, such as the inner bark of willow, alder, or birch trees. The bark should be free of cracks, knots, and damage, and have a smooth, even texture. A thickness of about 1-2 millimeters is ideal for most cordage applications.
Stripping and Processing the Bark
To strip the bark, use a sharp knife or a specialized bark stripper to carefully remove the bark from the tree. The bark should be stripped in a continuous sheet, avoiding any tears or splits. After stripping, the bark should be soaked in water to rehydrate it, then scraped to remove any excess cellulose and pith. This process should leave you with a clean, pliable sheet of bark.
Working with the Bark
To create cordage, the bark should be rolled or twisted to create a continuous thread. For a simple rolled cord, start by rolling the bark into a tight cylinder, then secure the roll with a small knot or twist. For a more durable cord, try a figure-eight or Z-twist pattern. When working with bark cordage, it’s essential to avoid over-tightening or stretching, as this can cause the bark to crack or break.
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