I always say, 'whatever works for the individual, is the way they should go."
Or, "whatever floats your boat!" This is what works for me: I carry a
Taurus PT940SSPRL in a custom Ted Blocker lefthanded crossdraw
holster (model 24XD) in black.
I also carry a little Glock27 in a custom BrigadeLeather
crossdraw holster, (model M13) also lefthanded in black.
They are both comfortable in the vehicle, worn on my weak
(right) side. I also have shoulder rigs for some of my other pistols,
which are worn very rarely.
Right now, I am waiting for another custom Ted Blocker crossdraw
holster, that I ordered for my Charles Daly 1911 A1, with
a 3 1/2 inch barrel. That one will also be lefthanded, in black.
Since I am a southpaw, naturally all my holsters are in lefthanded
configuration.
I see that a lot of folks favor the IWB configuration; I have never tried
that method as yet.