Historically, shoulder bags like these would be used to carry the tools and equipment needed to keep a black powder gun running. Now a shell bag could come in handy for anyone looking to expand their carrying capacity a bit by having a big pocket to carry essentials at their fingertips. Shell Bags could be used by hunters to carry extra ammo, or hikers as a ranging shoulder bag to keep stuff dry. It also makes a distinctive and very functional purse. We’ve also heard they can work great for disc golf discs.