【Genuine High Quality】Javelin Throw ■ Brand new, unused, free shipping, same-day dispatch ■ Size: 70cm, 245g ■ Product Description ・ For training in javelin throwing, for checking baseball/softball pitching form, and for practicing throwing in all other sports. ・ Suitable for whole-body muscle strength, core strength, and balance training as it requires the use of the whole body to throw. ・ Children can learn the correct way to throw a ball and form while playing. ・ Lightweight, so it is safe, and children can practice pitching for baseball, softball, etc. while playing. ・ To throw straight, the steps leading up to the throw, weight transfer, arm swing, wrist snap, and posture all work together, so it is useful for practicing and improving pitching form. Yoshinobu Yamamoto also uses it.