Hi Yvan, when you create the diamond shape, see if you can start the arm that pushes forwards a bit higher towards the sky on the tail, it should point directly forwards from the chest, right now it’s a bit too down towards the ground. Once you get in the belay, see if you can loosen your grip a little more on the tails before turning to face the sky… you might be holding a bit too tight on the tails and turning too fast which is causing the belay knot to get jammed.
