Use the on-screen buttons, or the arrow keys to move the ring along the line 画面上のボタンまたは矢印キーを使用して、リングを線に沿って移動します。
>allows for speeds lower than 1 (even zero and negative) >improved instructions >added arrow key support there is a known bug where the two halves of the ring can get misaligned this is in the original project too I've no idea how to fix this