Which is because of the oil barrier. I like That concept, wish I had thought of it!! Having said that, that is certainly, I now 3D print cat food bowls which have a really modest, canted inward oil ring, which prevents kittie's fur from accidentaly having oily. It works really https://thepetshop18529.blog5.net/82238413/the-smart-trick-of-pet-supplies-online-that-nobody-is-discussing