I picked up a 55 the other day and I’m impressed. The knife seems to be a fantastic pocketknife; a great alternative to my trusty 503. I noticed that upon opening and closing the blade, it feels a little “gritty” about the mid-way point. Will that go away with use (opening and closing it a lot)? I put a dab of WD-40 in the pivot area and worked it a bit, but that didn’t help. Any ideas on how to smooth this out?