I am not LE, but do work security and carry the same equipment. It is a pain. Getting in/out of a vehicle is the worst, thankfully I no longer have to do that much. My gear is a little old school in that I carry a revolver, and no taser. Not allowed for liability reasons. I have been carring this stuff (with variations) for about the last 16 years. Clockwise from buckle:
Single speedloader
S&W M25-5 in an old Safety Speed breakfront holster (thanks to forum member rbbt)
first set of cuffs
glove pouch with medical quality nitrile gloves
second set cuffs
Streamlight strion flashlight
canister of pepperspray
Kenwood radio
ASP baton
two more speedloaders

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Formerly know as Lucky Derby