Hose clamp removal tool

I bought one of those at Autozone for about $35 but haven’t used it yet. I bought it to remove the factory wire hose clamps on radiator and heater hoses that are hard to get at. The thing tends to stick though when you try to release it so not sure how its going to work. As far as PCV, I dunno. You have to pull the valve out of the grommet and push it back in again. Usually you swap the hose after you pull the valve out so not sure if this would help much. Might be better to just get one of those very long (like 12") needle nose pliers for about $10 instead.