practicing and undersanding the snake

 https://youtu.be/iTUBybgfkbk?t=145

samsanov serves

 https://www.youtube.com/watch?v=GwZh-xa7gl0&t=153s

short side spin ( pendulum by Timo )

 https://www.youtube.com/watch?v=w-fbmmkUCMw

https://www.youtube.com/watch?v=wyZBmPH9R4Q

time serves 2

 https://www.youtube.com/watch?v=o6N9-_7ukHI

timo serves 1

 https://www.youtube.com/watch?v=91am9-0g7o0

how to use long pips to attack - ti long

 https://www.youtube.com/watch?v=5-0CnTZY1cg&t=8s

Tracing the spin, excellent insight!

 https://www.youtube.com/watch?v=uLA3skhF8rc

excellent serve tutorial , show cut but serve top spin

 First serve cut and then do the same motion but with top spin 

https://www.youtube.com/watch?v=1M9R93WXCJ8

Ryu | showing how to hit better using whole body / as opposed to pressing by arm only

 https://www.youtube.com/watch?v=nJwpjb1rKf4&list=PLoBooMpdcESBR8dXvZ2iU0W6M5qmdHGdU&index=8

chopper to Chopper Chen Vs Hyuk // FUN MATCH

https://www.youtube.com/watch?v=w6Nsq2thNgs 

Waldner Serves Compilation

 https://www.youtube.com/watch?v=IHnA8tQveb0&t=65s