A Universal Holster. The Grip Tuck Is Made To Fit Any Handgun.

Has anyone tried an Alien Gear Grip Tuck Universal Holster and matching mag holder? If so, how is the quality, comfort, and retention for a Glock 42 or a Glock 43X? - Quora

Crossbreed Rogue System Kydex Holster: Full Review - Guns and Ammo

FLEX IWB Package (strongside) - TACRIG

1791 Gunleather 4 Way WH-3 Multi-Fit IWB/OWB Concealment Holster for 9mm Luger/.40 S&W Sub Compact Semi Auto Models Right Hand Draw Leather Signature Brown [FC-816161020104] - Cheaper Than Dirt

Alien Gear Grip Tuck Universal Holster - Double Stack Compact - Left Hand : Sports & Outdoors

Selecting the Right IWB Holster: Optimizing Concealment and Accessibility

The Most Comfortable Concealed Carry Holsters – GunZee Store

Lightning Review: Sticky Holster LG-2 for Glock 19 (and Other Pistols) - The Best Universal Holster There Is? -The Firearm Blog

Open Carry Holsters

Limbsaver Cross-Tech Outside the Waistband Holster Clip On

Best Holsters for Concealed Carry: Alien Gear Edition - The Shooter's Log

For a big guy with wide shoulders who almost unconditionally wears a leather jacket, would an armpit holster be the most discreet and generally be the best (over all) for concealed carry?