This video imo is really good. I would like to know your guy’s opinion? I also would like to know why they put one pad on the front and one on the back? https://m.youtube.com/watch?v=p_Fp2hhUPK8&t=125s&pp=ygUjY2FyZGlhYyBhcnJlc3QgZnVsbCBsZW5ndGggYm9keSBjYW0%3D