Spinning hardware for hanging swings or chairs
Turn any swing into one that spins
Easy to install; two carabiners required (not included)

https://youtu.be/WqDgQrcQqQ8

Turn any swing into a spinning swing with our heavy-duty Swivel Spinner Hardware! It's easy to install—just hang this hardware from any tree hanger or swing set and attach your swing's ropes (two carabiners required, not included).
Max. weight 600 lbs. Adult installation required.