전에 제 루틴이라 했던 메트로놈 검지로 시작하는 연습영상인데 시간이 좀 없어서 12프렛까지만 왕복했어요 This is the practice video I mentioned before with the metronome starting from my index finger. I didn’t have much time, so I only went back and forth up to the 12th fret.