http://www.masternutcracker.com/
Might be worth talking with other folks in your community and ordering a few to one spot and then distributing them!
(We're note affiliated with them or get anything for promoting them, just believe strongly in their incredible tool!)
• Husking/Hulling Black Walnuts Effic... Video showing how we process Black Walnuts at a homestead scale. We aim for thousands and thousands each year so they can be a real part of our diet. With the Master Nut Cracker and a basement full of nuts winter can feel like a real treat!