Some Favorite Nock Cases → December 29, 2015 The beautiful thing is in the simplicity of the design here. Index cards go in the open top slot, don’t easily fall out, but are readily accessible. The Fodderstack is just big enough to hold index cards, no bigger. It can even fit into a front shirt pocket without being too bulky, though I don’t regularly do that. (No need for a modern pocket protector here.) Our friend Thomas Hall goes in depth with how he uses some of our products. Take a look if you have wondered about real life use cases of various Nock Co. products, including the new Sinclair.