Need tie-off knot for box weave key fob

Hi guys, so my friend looked at a bunch of designs and chose the box knot of all choices.

But instead of melted ends, she wants the left over string to hang down like a tassel.

I've seen some knots to finish weaves that are good for bracelets , but nothing that leaves tassels, and are usually melted anyway.

I've tried most of the standard knots I have in knot books and apps, but none seem suitable.

I want a knot just after the weave ( see pic) so the cords hang free.

Any suggestions?

Thanks peeps!

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