Ringbolt hitching is a beautiful way to decorate a staff or wheel. Also called coxcombing, it was once a common tie used by sailors to dress-up items and parts of a ship. (scheduled via http://www.tailwindapp.com?utm_source=pinterest&utm_medium=twpin&utm_content=post59328454&utm_campaign=scheduler_attribution)
Apparently a critical thing is to NOT stir it. The goal is to create a fluid with a lot of suspended alum. If you stir it, it will dissolve and you will get much smaller crystals due to the lack of suspended alum.