The rooster tail feather is a beautiful feather that we have available in many colors. These feathers are wonderful for costurmes, hats, arrangements, arts and crafts and much more. We do not recommend the tail feather for hair extentions. Please take a look at the Sclappen and Rooster Saddle for your hair extension needs. Sold per ounce of strung material. 1 ounce = about 45 feathers About 900 feathers per pound.