Next, I ran the GT Custom through a Fuchs Blackjack 21 in full crunch mode. Wow! And I mean, wow! The GT Custom was fat and punchy, with each pickup retaining its own distinctive character. As with the Zemaitis Tribal Tattoo, the Gigliotti GT Custom was remarkably resistant to feedback, even when I kicked on an Xotic AC Booster for some added smack down.