2nd valve attachment mod for Holton Bass
- bassboneman69
- Posts: 290
- Joined: Aug 15, 2018
Anyone out there have tech suggestions for creating a 2nd valve D attachment for my Holton Bass?
- WGWTR180
- Posts: 2152
- Joined: Sep 04, 2019
Alright so I just read your profile. Assuming you mean the 169 you own??