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When we had to bypass the onboard UARTs: https://0x0.st/PbKT.jpg

Is this really easier to work with than bodge wire (wire wrap)? Asking because I still have a few rolls and would rather not waste money.

I have 31 AWG wire. I wouldn't use anything else for PCB rework. Bends so easily, no stripping necessary, and the roll will never run out.

This pic is quite unsettling, I didn't understand why at first, but this blue wire pinched under the bolt...

Mechanical stress relief is my guess !