Color: Black Diameter: 35 × 7 cm Package weight: 32 g per piece Package includes: 1 × golf swing trainer Application: This training aid helps golfers detect left arm bending during the swing, encouraging a straighter left arm position for improved swing consistency. Suitable for golfers of all skill levels, including beginners. Audible Feedback for Posture Correction: The device emits a distinct clicking sound when the elbow bends during the swing, providing immediate feedback to help users maintain proper arm alignment. Adjustable and Portable Design: Features strong hook-and-loop (Velcro) closure and a durable plastic buckle for secure, comfortable fit. Easy to put on and remove. Fits most arm and elbow circumferences up to 33 cm. Secure Fit: Unlike basic strap-style trainers, this design wraps fully around the elbow for minimal movement during use, ensuring consistent feedback. Breathable & Comfortable: Made from high-quality, lightweight, breathable nylon fabric with reinforced webbing and hook-and-loop fasteners. Designed for comfort and durability during practice.