Improves cue stroke stability: designed to help you keep a steady back-and-forth motion so your cue strikes become more consistent. Useful for both beginners building fundamentals and experienced players refining technique. Durable glass and acrylic construction: made from glass and acrylic materials for a robust, wear-resistant training aid that withstands regular practice. Simple insertion for guided motion: insert the trainer into the hole to guide the cue’s back-and-forth movement, making it easier to practice smooth follow-throughs and more accurate aiming. Versatile for common pool disciplines: suitable for training on games such as nine-ball, eight-ball and other pool formats where stroke control and aiming matter. Easy to use and integrate into practice: straightforward operation that fits into typical training routines without complex setup, helping you focus on technique rather than equipment. Practical use scenarios Daily practice at home: work on a consistent stroke and steady aim during short practice sessions to build muscle memory. Coaching and drills: coaches can use the trainer to demonstrate proper cue motion and to give students a physical guide for repetition. Pre-match warm-up: use a few minutes before play to re-establish a smooth, controlled stroke and improve confidence at the table. Key attributes at a glance Function: guides back-and-forth cue motion for improved stability and aiming Material: glass and acrylic for durability Performance: supports steady, repeatable strokes for technique improvement Compatibility: designed for use in typical training setups and pool games like nine-ball and eight-ball No assembly required; intended as a practical, reliable training aid to help you develop a more consistent, controllable cue stroke.