With Naiki Gumi you can make hollow braids. You could make the braid over a strong cord and then use it as a bag handle.

When you make a hollow cord with 32 yarns or more, you can push it flat very easily. Then you can turn it into a nice flat bracelet.

A Mochila can be closed with a cord. You can make beautiful cords with a Kumihimo disc. Kumihimo is a Japanese braiding technique.