Shaolin Double Knife (Shuang Dao), one of the Shaolin Kung fu knife.
The shape and the single pole double knife is basically the same. But only half of the disc cutter, double knife on the side without cutter, such double knife can fold. The other side is half a hand wheel, double knife and, like a knife. The scabbard mouth has a small copper or iron apart, the double knife from the spacer sides into a sheath. Silk double knife knife should be symmetric. Double sword dance practice, much more difficult than the single pole, single arm expert knowledge, prevention, double knife two ears to prevent. Be skilled, can be handy.