This blade is built to be cut with. Targets that can be used: Tatami Mat, Straw Bails and Fresh Bamboo. 18 years of age minimum. If you are new to Swords you must understand that this is a “Live” tool. If you are unfamiliar with this term please find a Teacher of Ninpo that you respect. Ask them to help your understanding. Lastly, if you get hurt using this or any other tool you should train more. Do not blame myself or Nine Directions Inc