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!) :
Kappa Secure Container (How to Get?) - Off-topic - Escape from Tarkov Forum
Secure container Kappa - The Official Escape from Tarkov Wiki
Trap on Twitter: "I've been in a streaming slump, I'll get back to it soon. Anyways I got my Kappa container today :) https://t.co/5aiHWH3vRu" / Twitter
How To Get The Kappa Container - Escape From Tarkov - YouTube
Secure container Epsilon - The Official Escape from Tarkov Wiki
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
WHAT ITEMS TO KEEP IN YOUR SECURE CONTAINER IN ESCAPE FROM TARKOV - ALL SIZES GUIDE ALPHA-KAPPA - YouTube