I got the Edge starter kit for my PC because everyone loves Edge. Ive only used the kit on 5 cars and Ive had 2 fittings go bad (yes Im removing it correctly). One just happened about 5 minutes ago. Luckily the new one from AG just got here, but the plastic part on one of my pads has worn so much, that it wiggles all over the place when I put it on the fitting. So I just put my old backing plate back on with a 6.5" Meguiars pad. I find that the pad spins 100x better and its a lot easier to keep the pad flat to the surface. Time to order some LC CCS pads!