Hareline Dubbin Pat Cohen's Carp Dubbin - Carp won't be able to resist your flies with this dubbin added on as they see these new colors with the quality material used to create them. Hareline Dubbin is the best on the market and is taking the industry by storm with it's latest additions to fly tying. The quality of this dubbin and the vibrant colors will make you a successful angler and help you catch more carp. Variety of colorsQuality Material