WARNING! The techniques described are potentially lethal and could, at the very least, cause severe or permanent injury. The following is presented for information purposes only. The Martialist and its staff cannot be held responsible for the misuse of this information. The guidelines given do not constitute legal advice. Aerodynamic Shape. Spin this staff at unbelievable speeds due to its unique micro-concave shape. It cuts the surrounding air to increase rotation speed by over 30%! The “Ninja Keyrings” available that have metal protrusions that thrust out between the fingers are similarly poor ideas. For one thing, it’s difficult to see these devices as keychains — they practically scream “offensive weapon.” For another thing, they’re bulky, awkward, and difficult to carry comfortably. Don’t waste your money on these.

Pocket Sticks for Self-Defense - The Martialist Pocket Sticks for Self-Defense - The Martialist

They were obviously REALLY happy to see each other again too, because I was born just 9 months later! (Perfect timing if you ask me, …way to go DAD! 🙂 Spin this staff at unbelievable speeds due to its unique micro-concave shape. It cuts the surrounding air to increase rotation speed by over 30%!Tak Kubota, who popularized the kubotan keychain, offers the following diagram of striking points in his manual for the device: