It can be tricky to weave in your ends when you can’t get to the back of your fabric to hide them. This video over on instagram shows how I handle it. It works perfectly (so well that it can actually be tricky to find them if you ever need to open it back up in the future).
The marshmallows should be out later this month (probably around the 14th, it mostly depends on when I manage to get pictures). It won’t be for sale, so I’d make sure you’re the mailing list if you need some of your own!