1791 Gunleather
In-pocket spare-mag holster that disguises the magazine as a pocket knife and snags the pocket seam so the holster stays put on the draw.
The SnagMag is the original pocket-carry spare-mag solution. A molded thermoplastic body with a pocket clip rides in the support-side front pocket (left pocket for a right-handed shooter), positioning the magazine vertically against the seam with rounds forward. From outside it reads as a folding-knife clip. The trick is in the name: as you draw, a hook on the body snags the back corner of the pocket, so the holster stays put while the magazine pulls free and rotates into your hand.
Unlike the magnetic NeoMag, the SnagMag uses positive mechanical retention and is molded model-specific to your magazine, so the fit is exact rather than universal. It is the cheapest discreet pocket option here and the most proven, made by 1791 Gunleather. The tradeoff for the model-specific molding is that you buy the SnagMag cut for your gun's magazine, not a one-size carrier.
Add the SnagMag Concealed Magazine Holster to your build and see how it enhances your platform.