- (2010-06-07) maestro boomerang BG-1 vs. vox wah modded by Joe Gagan
- (2012-03-09) bg1 soundtest with gauge for travel stock 67 boomerang by Joe Gagan
- (2012-03-09) 1967 maestro boomerang BG1, 100% stock part 2 of 3 compare series by Joe Gagan
- (2012-04-19) restored 72 boomerang vs. 67 boomerang, MAESTRO , baby! by Joe Gagan
- (2013-02-03) MAESTRO BOOMERANG BG-1 vs. SUPERWIDE crying baby custom by Joe Gagan
- (2013-04-04) 3 boomerang wah pedals by Joe Gagan
No forum threads about this effect yet.
- Maestro BG-2 Boomerang (made by ATD?)
Here's some code to post a link with image on forums, eBay, websites,...