This is an awesome article on The Journal of Joe the Peacock. It gives you some great information about getting in a fist fight. Naturally the first rule is DON’T. But as you read down you’ll learn to lean into a swing, keep your fingers tucked in and how not to kick. Some of the comments on the site are interesting — and useful — too. I like the training bag hints. You can make a punch bag from a rolled up mattress or a sand-filled, duct tape-lined duffel bag.
There’s a guide to making a bag here but I wouldn’t want to hang it. You might do better to put it on something that it can lean on that’s the right height for your training. How to Build a Punching Bag for Training | eHow.com http://www.ehow.com/how_5475032_build-punching-bag-training.html#ixzz0tNzb9jFr