When you see one you like, just buy it. If it's good lookin', someone is right behind you ready to snap it up. I find them at Nordstrom (the store and Rack). I have a couple dozen that Beau Ties of Vermont made into bows from straight ties with intriguing patterns. Astronomy2Go is a good source thereof. Right now, I'm diggin' the slimline with arrow points. Ahh...