In ancient China it is a chastening tool for teacher to used on naughty , also a ritual artifact for Buddhism. Lightweight material: this pole will not take up your space, small size, space saving, easy to pick up, convenient. Provide sufficient space for acting teachers, commanders, to effectively adding fun during presentations or teaching. Will not damage your skin but also providing a little pain. If your lover do not your orders, just his or her hands or with this ruler. Versatile application: can be used as a multipurpose tool: blackboard , home ornament, unique gift, cultural filler, punisher tool.