Love my Karve, but sold all my brass and replaced them with a pair of stainless heads. I find the stainless glides more smoothly across my skin. Not the blade, but the cap and guard. The brass had a very slight tackiness sensation to it. Not all the time, since I couldn't necessarily replicate it at will, but it occurred enough times throughout enough shaves that it was a continued annoyance. Add the cosmetic maintenance of removing patina and I was all in. I'm just glad I was able to experiment with brass before making my stainless purchase.