To make bags fastened with grommets, rather than sewn together, one needs a grommet machine, We have some! BagShare has some. They can be borrowed with everything you need to run your own bag-making workshop. Friends of Reusable Bags can help. Feed bags have pretty pictures on them of birds, horses, goats, or whatever was being fed. After a bit of practice, a bag can be made in about 10-15 minutes. We will post step-by-step instructions here in the future, too.
Feed bags are large, sturdy, waterproof, and have a carrying capacity of up to 50 pounds.