Four Brothers Smith & Wesson DadBod Appendix Rig4BROS Smith & Wesson DadBod Appendix Rig IWB Sidecar Holster Built for Comfort and Concealment Designed for comfort, built for concealment. The 4BROS Smith & Wesson DadBod Appendix Rig is an IWB (Inside Waistband) sidecar style holster engineered to improve appendix carry comfortespecially for larger body types. Traditional appendix rigs can dig into the stomach or hip when sitting, bending, or driving. The DadBod Appendix Rig solves that problem with