Mariano Alonso · · Schecter Custom Shop Tour Part 1. Schecter Blackjack SLS. C-1 FR SLS Elite. All technical aspects (neck, frets, tuners, floyd rose, sustainiac+standard pup performance) and handling (balance, access) of this SLS are brilliant. . SCHECTER BLACKJACK ATX C-1 FR DEMO BY MIKE PELILLO · Goldmusicsrl.