The DPS is one of my favorite moves, mechanically and practically. I have found that in my pursuit of DPS perfection, certain clips of exemplary diagonal palm shifts have inspired and helped me improve. The link below will take you to my collection of such clips. If you have any videos you want to add to it, comment below.
https://padlet.com/pgvanhoven/jmtflfwleix7i14t
https://padlet.com/pgvanhoven/jmtflfwleix7i14t