I’ve been using modern William almost exclusively for the last couple years. Just for giggles I cut up a stick of Arko I had floating around into my mug and lathered it as I do Williams. I lather on the puck or soap pieces in this case and don’t rinse out my brush and leave it in the mug between uses. Well, just like Williams I got thick, dence lather instantly that a couple drops of extra water turned into a shiny, wet, slick lather. I tried to 3017 this soap but it is lasting forever. I’ve been getting great shaves but wanted to use William last shave. Rinsed out my brush and lathered up “Ole Bill” and had at it. Williams shaves better than Arko. Arko is wonderful but Williams is better.