대형 hegar sounding rod로 더 깊은 소리

• 00:07
• 00:30
• 00:52
• 01:15
• 01:38
• 02:00
• 02:23
• 02:45
• 03:08
• 03:31
• 03:53
• 04:16
• 04:38
• 05:01
• 05:24
• 05:46

Sounding deeply with the 15/16 Hegar sounding rod.