Biker USA Knuckle OTF Knife - Black HandleOTF stands for Out the Front, and this masterpiece biker OTF knife is an automatic Out the Front Knife. As most OTF knives are, this auto knife has an automatic blade that comes out after you push the thumb stud. It has some incredible features such as a pocket clip and glass breaker. It makes it easier to carry and ideal in emergency situations. The blade comes out of the front of the handle. There is a knuckle handle that can be worn around the