Twin Cities, MN — April 28, 2025 — PHLster, the industry leader in concealment innovation and education, today announced the launch of Wedge Rx™, a medical-grade holster wedge purpose-built to deliver unmatched comfort, superior concealment, and effortless installation for appendix-inside-the-waistband (AIWB) carriers. “After studying thousands of DIY wedges from real users, we discovered they tend to converge […]