Product Name: Softball and baseball training equipment, perfect circle pitcher's training aid for correcting swing posture Specifications: 9.44in*1.97in/24cm*5cm Product Advantages: Fastpitch softball pitching aids can avoid extreme positions, reduce rolling, and promote smooth hand paths; It can prevent excessive grip and promote clean contact. Although it cannot replace appropriate baseball training, it also strengthens training; Easy to use, simply fix the wrist in the appropriate position during swing, providing instant feedback. Widely Applications: Perfect circle pitcher's training aid is suitable for any player and is an effective training device for them. Perfect circle pitcher's training aid is lightweight and convenient, and can be carried around in a backpack for training.Softball pitching is suitable for players of any age group.