I need to do this one of these days, as I too, occasionally get bit by the back side of the trigger on my 442. I don't recall it happening with my 60-10, but I shoot the 442 more. I'd be inclined to use a needle file for any coarse work, and then clean it up with a stone/ceramic afterwards, and maybe hit it with a Dremel for a final polish if needed.
I really like the Hogue Tamers, and the Ergo Delta Grips are good, too. Both of those grips really help with handling J-frame recoil, but they compromise the ability to pocket carry. Also, the Ergo grips look absolutely hideous, and I can’t bring myself to use them, especially as I find the Hogues work just as well for me.
I don’t pocket carry, but I do really like the idea of cutting the Hogue grips down some from upthread/the other thread to improve concealability.
Long fingers have been my largest hold up on being able to shoot a j frame well. I can’t tuck my thumbs or my trigger finger hits my thumbs. If I use a thumbs forward type of grip the cylinder release tears up my thumb. I currently run the crimson trace lg 405. They are just too small I think and I can’t seem to master the laser. I either only look for it or only for the sights.
I tried the delta ergo grips and really liked it but it despite how ugly it was but it didn’t work with my DSG kydex holster.
"Shooting is 90% mental. The rest is in your head." -Nils