For basics, I would recommend a Leatherman ps4, a small MT which I use regularly (the most of the many that I
Where I live not allowed to have those type of knives or tools. Even my Leatherman Micra would be considered a "weapon"
own). Pair that with a small AAA flashlight and carry those with your keys. A Bic lighter is handy to have.
The flashlight I already have.
You can add additional items to suit your circumstances to a belt pouch or small back pack.