Payload Retention System - Next A fully working Payload Retention System for payload bays with latches and trunnion pins. Add pins to any part via a MM patch and you are ready to load and secure the part in a shuttle and fly it to your space station.   See it in Action   Supported KSP Version Works with 1.12 and later. The latest version is compiled against 1.12.3   How To Get It this mod is  Download: https://github.com/meirumeiru/Payl