These Oiler Puffs are hand selected. Great for emergers and dry flies. These short feathers lack discernible stems and are often called nipple plumes because on a live bird, they are located on the nipple of the preen gland. Tied in as wing posts, these fluffy feathers trap a lot of air. Oiler Puffs can be tied-in the conventional way, or reverse tied to capitalize on the natural built-in bubble formed by the base of the feather. Often the bubble CDC Bubble is meant to float the fly