I used a lot of YouTube tutorials, but especially these;
https://youtu.be/Zbvtg8t2ERY
https://youtu.be/5zEJ_7-DpBU
https://youtu.be/4ZeMJ3Klfz4
I've only been doing this a couple of weeks, but I cannot believe how much my ball handling skills have improved. And I have grown in flexibility like I never thought I could.
It goes to show you can do anything, just start with the basics and practice every day.
Jjinpang Mandu