The Lowdown: Southern Grind is the Georgia metal shop of Zac Brown (yes, that Zac Brown), and this knife is a beast—heavy but finely balanced and built tough as Job No. 1. The high-carbon 8670M steel, recycled from sawmill blades, is hard and strong and takes enormous abuse. The G10 handle scales are heavily textured for a sure grip. If your to-do list includes disjointing an elk or prying a bear's jaws from your arm, sign up.