<https://www.alaskaflyfishinggoods.com/shop/fly-tying/tools/other-tools/1036-whip-finisher-standard/#product>
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"The Dr. Slick Brass Standard Whip Finisher is a very affordable Matarelli-style whip finisher. We have found this style of finisher to be the easiest to use and will very accurately place your finishing knot."
<https://www.alaskaflyfishinggoods.com/shop/fly-tying/tools/other-tools/1036-whip-finisher-standard/>