Survival Multi-Tool
I've lived outside for over three years, and have used a multi-tool almost every single day. I've recently upgraded to the SwissTool CS Plus, which is widely considered to be the best available.
https://www.victorinox.com/en-US/Products/Swiss-Army-Knives/Swiss-Tools/SwissTool-CS-Plus/p/3.0338.L
SwissTool CS Plus
survival
minimalism
diy
outdoors
camping