Here is a neat accessory that holds hammers, hatchet, mallet, and everything in between. The HammerMaster can be easily clipped on / off your belt. It can hold a hammer, sledgehammer, hatchet, ax, rubber mallet, and everything in between. It has a durable aluminum frame and a spring-steel clip.
This accessory has a footprint of 2.36 x 3.4 x 2.6″.
[where to get it]