Deadly Vow OTF Dual Action Automatic Knife Black 2 Tone Double EdgeDeadly Vow D A OTF Automatic Knife Black 2 Tone Double Edge. Given its rugged features the Automatic OTF Deadly Vow makes a great pocket knife. The stylish textured aluminum handle creates a firm hold with its Zig Zag pattern in all weather conditions. A belt pocket clip is provided to carry your knife with you at all times. In other words, Dont leave home without it. The blade comes in a two tone design and is constructed from stainless steel. A