Golf swing measurement device JOY SWING Joy Swing Simulation Golf (STL-PG100) Practice golf on your TV at home! Golf training equipment Enjoy indoor golf at home! Connect to a display and play with family and friends! I bought it on Mercari, but it's new and unused. I'm selling it because I don't have a chance to use it. I am also selling a dedicated indoor club (new and unused) at the same time. Please consider purchasing it together if you like. If you have any questions, feel free to comment.