Male to male USB type-c cable, DuPont connector, widdowmaker cord (I don't care that some fools think male to male extention cords are dangerous, it's just a little electricity)
Maybe if they are making their own. Such cords sold at retail will either have the power leads disconnected, or a chip like USB C uses to only connect power as negotiated between the devices.
I've found those. At a local store in Baghdad. Never seen such make it to Best Buy, Target, or even Radio Shack. Might as well buy a USB Killer from AliExpress and skip the "double-ended" non-sense.
I have a cheap USB to IDE adapter from Aliexpress that uses one of those. The fun part is that you can’t ever replace the cable because they should not be made and no reputable brand will ever sell one.