That's due to oil barrier. I like that idea, wish I had considered it!! Nonetheless, that is definitely, I now 3D print cat food bowls that have an exceedingly smaller, canted inward oil ring, which prevents kittie's fur from accidentaly obtaining oily. It really works very well and is not https://fish-food00098.blogsidea.com/42810286/the-definitive-guide-to-pet-shop-in-dubai