Nice, nice EDC. I wouldn't want to add much to that!

A definite +1 on the bandana, though.

Speaking of the kubotan, I use the same concept with my keyring, but without the (easily recognized to LEOs) Kubotan. I have a braided 550 with a firesteel on the end. Makes a great handle for a sap! I think wrist techniques are not going to usually work on a real assault. I've fought aikido guys before and wristlocks just didn't seem to be very effective.

When I'm developing an EDC plan, I always try to envision a police stop...how many weapons do I need to carry? For e.g., a stiletto in a leg rig would not go over well with my local LEOs. The cuff key would raise some eyebrows, I'd think. Do you carry cuffs as well?
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When the SHTF, no one comes out of it smelling pretty.