It took a 60 second video explanation for me to realize how I make every single mistake Tanner explained. No wonder I couldn’t get any power on my backhand
Don't put your finger on the paddle, let your wrist drop so you can generate top spin, you can dip your shoulder as long as you compensate in the rotation, short back swing also going to mess up a lot of players learning this shot, shorten over time the better you get at it