This is the wooden acupressure tool "Tsubo Guriguri-kun." It comes with 6 ball parts in total: 2 large, 2 medium, and 2 small. By simply changing the position of the balls, you can pinpoint stimulation to your shoulders, back, waist, buttocks, thighs, neck, calves, soles of the feet, and other areas of the body. You can easily loosen up by just lying down and applying your weight, making it recommended for those who prefer a strong stimulation. 【Set Contents】 Main body, 6 ball parts (large, medium, small x 2 each), storage bag, instruction manual 【Condition】 Used a few times, with no major scratches or stains. There are non-slip pads on the bottom. Please note that due to the nature of the wood, there may be wood grain and minor scratches. 【Shipping】 Instant purchase welcome Anonymous shipping, free shipping