Only thought going through my mine (not a lot of room) is revolvers and autos are two different animals. Crossed thumbs on a revolver are fine and acceptable to most. Big no no on an auto.
I also personally don't see the need for that much finger on the trigger on a Kahr. Do what works for you.
In Memory of Paul "Dietrich" Stines.
Dad: Say something nice to your cousin Shirley
Dietrich: For a fat girl you sure don't sweat much.
Cue sound of Head slap.
RIP Muggsy & TMan
"If you are a warrior legally authorized to carry a weapon and you step outside without that weapon, then you become a sheep, pretending that JOCKO will not come today."