I didn't find anything in a search but, this looks very promising and straight forward. I ordered one to give a try and will do a review with my thoughts once it arrives. Sure makes a lot of sense as I hate the standard round speed loaders for carrying purposes! Let me know your thoughts and if you have ever used one.
View: https://youtu.be/2se_xjm5z7g?si=7NnBKBo-3LEfRZQX