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!) :
EfT Secure Container - Save your in-game goods with this tool
The Collector Tarkov Quest - Find All Streamer Items - Games Finder
NO MORE SECURE CONTAINERS : r/EscapefromTarkov
afraid_au on Twitter: "Am I the only one who gets uneasy when they see other Tarkov players running their Surv12/CMS at the top of their secure container? 😂 https://t.co/SI4YHl3d5N" / Twitter
How To Get Kappa Container In Escape From Tarkov - YouTube
How To Unlock The Kappa Container (Kappa Changes 12.11) - Escape from Tarkov - YouTube
Escape from tarkov SECURE CONTAINERS NO LONGER WORK - YouTube
Pestily on Twitter: "So I don't know if i got this from completing all quests... the Devs gave it to me.. or there's a glitch in the matrix. Could you clarify? @BetaEFT @
How To Upgrade Escape From Tarkov Edition - Games Finder
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