He has a permanent E-bay store called "The Happy Rooster" located at: http://stores.ebay.com/The-Happy-Rooster

It features "cruelty-free feathers and more!"

There is also an in-store page called "Do You Know Where Yor Feathers Come From?"
 This page is here: http://stores.ebay.com/The-Happy-Rooster/About-our-Cruelty-Free-Feathers.html and was created for educational purposes as well as for promoting sales

Rabbi Gershom says that his chickens and geese thank you -- sale of their feathers helps to promote compassion -- and buy feed, too.
 

Other Links

http://www.jewishveg.com/faq38.html

http://www.pinenet.com/rooster/my-life.html