What You Need to Know About...Bass Drum Pedals | Modern Drummer Magazine
Hotspur Twin-Beater Single Bass Drum Pedal (PC12-15) – Lazer Music
Amazon.com: Single Kick Bass Drum Pedal by GRIFFIN | Deluxe Double Chain Foot Percussion Hardware for Intense Play | 4 Sided Beater & Fully Adjustable Power Cam System | Perfect for Beginner