Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
기타의 주축대는 악기의 소리를 조절하는 데 중요한 역할을 합니다.gita-ui juchukdae-neun akgi-ui sorireul jojeolhaneun de jungyohan yeoghal-eul hamnida.The headstock of the guitar plays an important role in adjusting the sound of the instrument.