@silkenpaw
You can buy shaved wicker (which I'm pretty sure is what the wrap is) and apply it yourself. You do have to soak it, so it's flexible, and then dry it in place, so it keeps shape, and the wrap has to include a knot. That one you can probably figure out by closely inspecting the one that isn't loose.
@howlinhobbit @silkenpaw
Also: it might not be a bad idea to use a small clamp or something to hold that right side closed while the wicker is drying, so it puts stress on the knot, even after it's dried.