Storing mouthpieces and keeping them safe has been a bit of a trial for me. I like to keep favorite mouthpieces handy for different playing situations. I tried using a “spare” Crown Royal bag, spare socks, and a variety of original mouthpiece boxes. These just haven’t been enough to keep them safe on the road. So in a moment of inspiration I came up with using the plastic tube and lid from an instant tea powder container and loading it with foam.
I always placed a clip off reed on mouthpiece to keep the ligature in the proper shape.
If you look clearly you can see it fits neatly in the case and is as safe as possible.