Muay Thai Clinching Techniques (dos and donts)

I still struggled with clinch. Kru Jasper said I have strong upper body but I am not able to capitalize it during my sparring. So one of my muay thai brother helped me out and here are the do s and donts for clinching. There are so many things going on into clinching, it takes a lot of techniques and angles to get this right. I am not giving up though