How do poultry feather-picking machines remove feathers?

In poultry processing, feather-picking machines remove feathers using specialized rubber fingers designed to beat them off the carcasses.1

To ensure thorough removal, carcasses are moved through a sequence of these machines, with each unit optimized to target different sets of feathers. Following this mechanical process, any remaining feathers are typically removed by passing the carcasses through a flame in a process known as singeing. For waterfowl, which have feathers that are more difficult to extract, an additional wax-dipping process may be used to pull out remaining feathers once the wax hardens and is peeled away.1