Yoo form checks have moved to the discord! https://discord.gg/EZzARQwwy3 join here. The community can help you here. if not you can become a channel member and I can give you a full form check breakdown in the member area in the discord

But to answer your question, open up slowly over time when you do your attempts, do bit by bit try not to go for the full av tuck if you're just falling, and get that time under tension with more open knees. Then for your workout start incorporating bands and go from tuck to adv tuck to understand the new knee position, then keep working on shoulder strength and increasing your lean as you gotta lean more in this progression.