Duncan Groove Kendamas are now in stock! A key innovation in this new product is a grooved Tama that allows it to be played like a yo-yo! Each Groove Kendama includes a yo-yo string & kendama string that open a ton of new kendama trick possibilities by combining yo-yo trick elements with kendama trick elements. The Groove Kendama was designed/developed by yo-yo and kendama pros Drew Tetz and Takeshi Kamisato for a whole new kendama experience. Now available in three colorways: white with blue stripes, pink with yellow stripes, and purple with green stripes!