High Purity 15N Terahertz Gua Sha Plate & Massage Wand Set Because the terahertz is polished from 15N natural stone, the wand can be put in water to make terahertz water. This is a set worth over 18,000 yen, so individual discounts are not possible. Please resell any items you don't use. Gua Sha Plates: Large and Small Massage Wands: Large and Small Square Type 5-piece set The square type and wand type can be put in water to make terahertz water. For followers and repeat customers, the price will be changed to 14,000 yen, so please send a message if you wish to purchase. #Terahertz #GuaSha #Massage