Kevin Vang wrote:

it. Pluck as much by hand as you can (OBROFF: you can
recover many useful feathers for flytying from a duck)
then singe off the remaining down with a blowtorch, and
pick out any pinfeathers with a pliers.

next time you might want to try dipping the plucked bird in was and
then scrapping it off, takes any remaining feather material off but
leaves the skin in tact.