FYI, in the past there have been discussions about making high topped black english flints easier to use, including cutting off the ridge tops, or gluing small pieces of wood on the back slopes, etc.
I tried gluing small pieces of leather to the back slopes (instead of wood) and they worked good, but then I got the idea of just gluing the entire flint leather to the flint instead...it's simple, cheap, fast, and works perfectly.
I cut a dozen flint leathers out of some scrap leather I had, lined up a dozen flints, put a dab of epoxy on their back slopes, and pressed the flint leathers onto the epoxy.
When dry, just folded the other end of the flint leather underneath the flint to mount it in the hammer jaws, and even when the jaws are tightened down on the back slope, because the leather is glued to the flint, the flint can't squeeze forward and it works just like it was a good flat top flint...use it up like normal then toss the whole thing.
I tried gluing small pieces of leather to the back slopes (instead of wood) and they worked good, but then I got the idea of just gluing the entire flint leather to the flint instead...it's simple, cheap, fast, and works perfectly.
I cut a dozen flint leathers out of some scrap leather I had, lined up a dozen flints, put a dab of epoxy on their back slopes, and pressed the flint leathers onto the epoxy.
When dry, just folded the other end of the flint leather underneath the flint to mount it in the hammer jaws, and even when the jaws are tightened down on the back slope, because the leather is glued to the flint, the flint can't squeeze forward and it works just like it was a good flat top flint...use it up like normal then toss the whole thing.