Cul de canard Cul de canard Cul de canard (CDC) (French for "duck bottom") are the feathers from the back of a duck directly around the preen gland (uropygial gland); they are very buoyant due to preen oil produced by the preen gland. They are used when tying dry flies for fly fishing. They owe their buoyancy to their proximity to the ducks preen gland which secretes an oil distributed by the duck as a cleaning and waterproofing measure. It is unnecessary for the angler to add additional oil by way of floatant. Flies incorporating CDC are easy to dress requiring no floatant
Creature (miniseries) Chase's headquarters (formerly the research facility where the creature was born). Dr. Macy reveals Dr. Chase studies why sharks do not get cancer, which his brother Brian died from. Meanwhile, the kids take turns jumping of the cliff, unaware the creature is lurking right below them. Max and another boy named Kimo jump in. The creature mauls Kimo to death, but Max escapes. When Kimo's body is found, the chief is furious and, no longer listening to Dr. Chase, orders all the fisherman to hunt for the great white. The islanders, including Puckett, accuse Chase and Macy of performing witchcraft