The name says it all. If you like to tie crabs, shrimps and anything else that crawl at the bottom of salt or fresh water this new brush will do the job for you. This product makes it a snap to tie them; I could not make it easier! Visit my videos arcade to see how simple it is, and I guarantee you will never tie any others crustaceous imitation without using EP Crustaceous Brush. 6 Brushes per pack.