Gibraltar JF-GCP Gibraltar Cajon Pedal with Rumba Shaker Cajon primary pedal allows for placement while keeping the cable out of the way Spring adjustments on both primary and slave pedal keeps action and cable tension tight. Cam Arms can be adjusted to customize the pedal's feel Pedal mount placement adjustment allows placing beater at various areas of the cajon for different tones and to make room for beater and hand simultaneous play Special soft beater head won't damage cajon front plate