Mini Bump Key Hammer

I'm now selling these on my website and they have replaceable heads!!! https://www.3dlocksport.com/products.php#!/Small-Bump-Hammer/p/155655426/category=39551008

I bought a Sparrows Bump Key Hammer. It is a great piece of equipment, however it is very large, as are most Bump Key Hammers. I wanted to make a smaller one that could be carried with me or at least in a smaller bag/case. So I designed this one!

One thing to note. Unlike a full sized Bump Key Hammer, you DO NOT fully grip the han