I was following tutorial on Youtube https://www.youtube.com/watch?v=5-qVNEKEDJs&t=702s At the part when they added the Inverse Kinematic, i couldn't make it work like the tutorial. I can't make the whole tail moves.
https://drive.google.com/file/d/1UWGaRd4t7LpQavFpq3BBdsHQ1Zi16su-/view?usp=share_link the .blend file