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The GA-FC EX Katana Guide that BOSS should have made
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Affordable Boss Katana Footswitch: Ultra Hack!
BOSS GA-FC EX Foot Controller | Unleash Your Katana MkII | BOSS
Boss Katana MKII Artist How to use or engage the solo function Live with the GA-FCEX / GA-FC Pedals
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Before You Buy The Boss FS-6 Foot Switch, WATCH THIS: Inexpensive Boss Footswitch Alternative
The Best BOSS Katana Footswitch - Wireless Editing! Airstep Katana Review
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