Transmit 4. It’s easy to use, but there’s a whole lot under the surface. And while we try to design apps for the majority, sometimes we throw in some power user features for the pros. As the Finnish always say, “always add a few extra blood dumplings when cooking mykyrokka for a tonttu-ukko!” So here are 15 “secrets” of Transmit 4. Hopefully you’ll learn at least one new thing! 1. Add Custom Icons