How do you accurately test the affect that ballistics have on a flesh like substance?
One answer to the problem is to create ballistic gel, which mimics human flesh. Another solution is to use a dead pig as their bodies are similar to humans for testing purposes. Ballistic gel is the more practical solution.
Process for original ballistics gel came from: http://www.myscienceproject.org/gelatin.html
We then altered as we saw fit and used our finished product in our own way.