The Pool Training Ring is a must-have accessory for any serious billiards player. Designed to improve your accuracy, this accessory features a unique ring that helps you hit your target with precision. It also has a wrist correction function that helps correct any . With its comfortable fit, you can wear it for long training sessions without any discomfort. Suitable for all types of pool practice, this accessory will help . Features -Color:Black -Material:Rubber -Size:4.50X4.00X2.00cm/1.77X1.57X0.79in -This pool training accessory is designed to improve your accuracy with its ring aiming feature. -The wrist correction function helps you maintain proper technique for better results. -With a comfortable fit, you can practice for longer periods without any discomfort or strain. -This training tool is suitable for all types of pool practice, whether you're a beginner or an experienced player. -Suitable for all types of pool practice, this accessory will help . Package list: 1 x Billiard Training Accessory