A proper fitting holster needs no thumb break, you'll get used to it in no time at all.
Other than a dept holster for my Beretta 92, there's no thumb breaks in my house. Plan to keep it that way.
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."