you'll need sausage casings. Most casings are made from scrubbed and salted pig intestines, though collagen casings are also available. I'd avoid collagen unless you have a specific dietary reason ...
It's better than the sausage in the casings, so you don't have to open the casings one by one to make this ragu, right. 10 ounce Mike Tyson glove, right. That's gonna go in and help to press down ...