I bought a well-used long rifle about a year ago and the seller gave me all his accoutrements and supplies. He was stopping his black powder involvement due to health issues.
When I unloaded these items on my table, I didn't know the use of many of the items.
I am VERY fortunate to have just about all I need for traditional muzzleloading shooting. And, it has been quite a learning experience.
Here is my specially employed guard cat watching over my cache:
A possibles bag, powder horn, priming horn, ball bag and more was included:
Ron