Serak Jurus 13 Drill, Guru West Bolz, Pencak Silat Serak Online Training November 3, 2021 https://www.youtube.com/watch?v=fu4BcAJnEhE
Serak Solo Practice, Advanced Pentjak Silat Serak, Silat Club Online August 31, 2021 https://www.youtube.com/watch?v=g7Trqj5BBzM