This requires you to have the Automatron add-on, a robot workbench, and the Sentry Ahab's helm looted from Ahab. It will not work with an "Ahab's Helm" created using the robot workbech. 1. * Create a new automatron. 2. * In the "Head" slot, build the "Sentry Head". 3. * In the "Head Armor" slot, build any mod other than "No Head Armor" or "Ahab's Helm". Either of the "Reaper Helm" or "Hydraulic Frame" makes this easier, since they appear directly above and below "Ahab's Helm". 4. * Ensure you have none of the components required to build "Ahab's Helm", either in your workshop or in your inventory, and that you're carrying the Sentry Ahab's helm looted from Ahab in your inventory. 5. * Now in the "Head Armor" slot, when you try to attach the "Ahab's Helm" mod, instead