Working with leather often involves hitting or striking tools; for that job, let's look at the leather mallet, hammer, or maul that can work great.
A Leatherworker's Guide to Hammers, Mallets, and Mauls – Weaver Leather Supply
Leather Mallets, Mauls & Hammers: Choosing the Right One for Your Leatherwork
Evwoge Leather Carving Hammer Mallet For Leather Work Leather Mallet Cowhide Sew Club DIY Leathercraft Wooden Mallet Wood Handle (I-Head)
Leathercraft Maul Hammer and Mallet Leather Tools & Leatherwork