Glu Boost Master Gel Ultra

1,522 views · Published 17 September 2018 · 1:04 · Indexed 16 October 2026

Channel: OBrienGuitars · 2018 · Education

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Luthier and Instructor, Robert O'Brien, talks about the Master Gel Ultra from Glu Boost.
www.obrienguitars.com

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