Thank you for viewing. I only used it once after purchasing it, so the main body is like new. The box and instruction manual have a few scratches. The following is stated on the sales site: ＜Product Features＞ ・Naturally fixes the basic stroke posture and bridge shape. ・You don't need to worry about the bridge, and you can focus only on the movement of your right arm. ・Using it while wearing it makes it easier to understand the principles of the stroke. ・Long-term use can be expected to naturally correct your stroke. ・Continuing single-task strokes can be expected to improve brain health. 【How to Use】 By using QBRIT ROOTS, you can create a stable bridge during your billiards play and achieve more accurate shots. It is widely available for beginners to advanced players. ・Brand: QBRIT ・Model Name: ROOTS ・Purpose: Stabilization of billiards strokes ・Description: An aid for stabilizing strokes ・Color: Black I cannot accept price negotiations. You can purchase it immediately. Thank you.