Everything About Secure Containers in Escape From Tarkov
I solved the Kappa problem. Carrot Container replaces it and Kappa is a 71 unlock. Donut because it's hilarious... (Carrot because it's the carrot on a stick to keep people questing!) :
Escape From Tarkov Insurance Guide - How to Protect Your Gear
How to get a Kappa Container in Escape From Tarkov - Gamepur
Kappa vs Gamma - Bug or intended Kappa buff? : r/EscapefromTarkov
Escape From Tarkov: How To Unlock The Kappa Container (12.11) - Player Assist | Game Guides & Walkthroughs
Escape From Tarkov's "Kappa" Container obtainable at level 62
EfT Secure Container - Save your in-game goods with this tool
Epsilon Container +1 Line - Suggestions - Escape from Tarkov Forum