In a terrible nightmarish past life I was a chef, and wielded 12", 10" and 8" Wusthof chef knives, a 3lb cleaver, a 14" slicer, a HUGE vintage meat tenderizer, etc, etc. routinely (not to mention the giant 5 pound crank can opener, smoking hot saute pans, heavy octagonal rotisserie spits, enormous vats of 385 degree oil, crazy dusted methhead dishwashers and a Hobart mixer that wouldn't even hesitate as it sucked you screaming into the mixing bowl to pulverize your skull, spine, pelvis and both femurs in that order by your dreadlock at 15 RPM). With all that hardware, I could have pretty much anything shoved in my waistband without creeping anyone out more than usual.
I work in an office environment now, and I carry a Techno