• The wild grass guardian (yasugo bite) is a "glucosamine" that massages your knees, shoulders, and lower back • Contains cartilage ingredients such as glucosamine and hyaluronic acid and Japanese kanbuya plants, in addition to the Japanese kanbuya botanicals, sesamin, and gamma hair extract • By massaging it, you can feel the warmth and push away the stiffness and waste. Use it for a smooth everyday life • For worries about the discomfort of knots or coldness. Refreshing between work and study. Use it for a smooth everyday life