Naiki Gumi is a braiding technique that produces a hollow braid. You can make this hollow braid over a strong cord and then use it as a bag handle.
You can also make bracelets or key chains with this technique.
You can make your own Naiki Gumi designs on this website, https://craftdesignonline.com/kumihim...
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https://www.ravelry.com/designers/mar...
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https://www.marionverloop.com