The only thing handier than a bowel in the sticks is a knife. When you do boil water you want enough to make it worth the effort. Some is better than none, but a bowel gives you a lot and can fill up multiple canteens. You can't beat it for cooking especially stews. You can carry food with you if you have a top. You can put your game and fish in it after cleaning (you don't want to lay raw meat on the ground and where else are you going to put it without a bowel?). A bowel is one of those things that it just seems like I'm always reaching for it. I guess that why pottery was so popular with just about all primitive cultures?
I'm not eating or drinking anything that comes out of a bowel.