We've got stash size progression now, would be cool to see a more fleshed out secure container progression next. Here's some suggestions. : r/EscapefromTarkov
Escape From Tarkov: How To Unlock The Kappa Container (12.11) - Player Assist | Game Guides & Walkthroughs
MY ESSENTIAL SECURE CONTAINER ITEMS - STIMS, MEDS, KEYS, AMMO | Escape from Tarkov Guide | TweaK - YouTube
Secure container Epsilon - The Official Escape from Tarkov Wiki
The Collector Tarkov Quest - Find All Streamer Items - Games Finder
Secure container kappa 手に入れました 【Escape from Tarkov】 - ゆずかまたまうどん
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!) :
Everything About Secure Containers in Escape From Tarkov
Everything About Secure Containers in Escape From Tarkov
The Collector Tarkov Quest - Find All Streamer Items - Games Finder
Changes to Secure Containers - Page 4 - Suggestions - Escape from Tarkov Forum