Aces Belt Buckle With Hidden Knife And Free Belt. In a tight spot, need a knife fast, it's there. No fumbling around in your pocket, it's right on your belt buckle and it'll come out with the flick of a thumb. It may be small, but it's fast. A flick of the thumb and this baby is open and ready to go. This is a uniquely designed belt buckle knife, only available here at Gone Blue.com. You won't find these great belt buckle knives anywhere else on the web. It won't fall out and your friends will never figure out how it opens. An amazing product. Your knife will be out and the job done while your friends are still fumbling in their pocket for theirs. When you need it fast it's there. When you need one handed operation it's there. Always handy, right there on your belt buckle. This designer belt buckle will attach to any belt.