Years ago, when I started working with leather I would often use the commercially available polishes on the store shelves, or the proprietary blends found at the leather craft stores. They ended up being pretty costly, but more so, they didn't last very long and contained chemicals that seemed counter intuitive to traditional craft. So I set out to create my own. My first attempt was simply a mix of paraffin wax, harvested from candles and heavy grade mineral oil. It worked, but again, I was...