jerusalem ridge
https://www.youtube.com/watch?v=DR0fYETVAsU&t=100s tutorial https://www.youtube.com/watch?v=9yFPWkj8qjQ&t=264s tutorial 2 https://www.youtube.com/watch?v=0SrRg5RylYc&t=42s tutorial 3 https://www.youtube.com/watch?v=Ym5R6Hs_sVo Del McCoury