Their proprietary synthetic ‘leather’ really is tough stuff.
'Got me thinking about using s sheet of thin Kevlar liberated from outdated body armor. It could be stitched, and the edges sealed with epoxy resin. It'd be ugly, but compliant and strong.
For 24 years, I conceal-carried in an ankle holster, sometimes mowing the yard and sometimes forgetting that I even had it with me! When I stopped carrying, there was a depression on my ankle that lasted for months.