Ohio has always been funky on knife laws, and they recently changed the law to make it better and funkier. Hoping some here might have some insight ( @Lon ?)
I always carry some type of lock blade, most often my Resilience (when I might need something to abuse and do not have a crowbar handy...) or my nice PM-2. There are times when I might not want to carry a gun, but it might be nice to have something like a Clinch Pick. For example, I am getting spooled up do more bicycling when the weather finally gets a bit better, and some of the trails can be a bit remote. I joined the YMCA and might ride there, and it is an NPE and can more easily conceal a small fixed blade in an active environment than a gun.
But the revised law is vague, saying concealed carry of a fixed blade is permitted, unless used as a weapon, but one article specifically said if it is used as an illegal weapon. I figure the probability is low that I would have any problems, if I am using the thing there is going to be an obvious reason, but I want to make sure I am understanding things correctly before I start spending money.