knot towel / bath towel

We usually wrap a towel around our body after taking a bath, but often due to the soft, slippery, body movements, will cause towels loose and fell off, so users need to repeate fasten adjustments. Imagine, at this time if there is a towel with a clasp (Knot Towel), can be like the same clothes closely on the user, all the cumbersome inconvenience will be eliminated.