When it comes to self-defense, Karambits are the perfect self-defense tool. It can be a folding knife or a fixed blade knife. It has a curved blade that is perfect for close-quarter combat. These have evolved with time and taken over the concept of self-defense. The origins of karambit blade knives are West Sumatra, in Indonesia. It is believed that these knives were first forged from a tiger claw. The primary purpose of these knives was for agriculture. The blade can be swung upwards or downwards in a slashing manner. The collection of the karambit blade knives are varied and of high quality.