Hey BF, I've recently purchased a brand new 0452cf and I'm incredibly satisfied with the knife! It flips so fast that you'd think it was assisted haha. I have a question to all other 0452cf owners out there about the detent however, do any of you notice the detent leaving a mark on the part of the knife that it comes in contact with, and if so, is this something that I should try and adjust to prevent from happening or is it just something that's no big deal.