modifying latex shields

I have a latex shield and I am thinking of trying to modify the grip so it is at an angle rather than horizontally resting.  It's 1 of those easy release types, so there's quite a bit of material there.

Any suggestions?

I haven't done this myself, but had considered when I returned to larping getting a latex shield, one of the standard ones that are well advertised out there. I didn't like the mounts either and from what I planned I suggest carefully cutting away at the mass of material till its smooth. Then I'd punch holes to mound a handle where its most comfortable. For the upper arm strap, that's easy, but again, I'd punch a few holes and rivet, or use a nut and bolt to secure the strapping. I used that on my kydex shield a black leather belt (a cheap one, you see the venders in NYC all the time). The key though is cutting then shaving down the excess latex/foam on their mount well enough and not overdoing it where it impacts the integrity of the shield.

Good luck!

MC