Just out: Bistro Bones! Written by Justin Magnuson on July 13, 2012 0 comments Bone appetit! We're proud to announce our newest product, Raw Beef Knuckle or Marrow Bones from 100% grass-fed cattle, pasture-raised without antibiotics, added hormones or grains. Bistro Bones provide hours of recreational chewing pleasure along with nutrients and teeth-cleaning properties. Find them at select independent retailers.