If you are looking for a durable knife that will last over the years, obsidian knives are ideal. Obsidian knives are designed to cut through tough surfaces, making them ideal to use when hunting. You may kill an animal that has fur, and this type of knife will give you a chance to easily skin it. It's important to select this kind of knife that has a comfortable handle. This makes it easy to use, and also prevents the knife from slipping out of your hand. To have an even better grip on the knife, you can purchase one with a non-slip rubber handle. The blade of these knives is also important to think about. If you are using the knife for hunting purposes, then it's helpful to purchase a larger blade because this makes it easier to cut through tough objects. However, if you are simply using these knives for the kitchen, then you can purchase a smaller blade size. Also, it's imperative to have cases for these knives because they are extremely sharp. Cases with loops around the side are ideal because you can then fasten the knife by your side. This gives you easy access to it, which is extremely helpful when hunting. There may be a predator charging at you, and the knife will be near you so you can quickly grab it. Share