Studiologic MP-113 Midi Bass Pedal – Thomann United States
Build MIDI Bass Pedals for About $150 : 10 Steps (with Pictures) - Instructables
ModularSynthesis - MIDI Bass Pedals
Novation FLkey 37 USB MIDI Keyboard Controller for FL Studio (37-Key) Bundle with Auray FP-P1L Piano-Style Sustain Pedal, 10' MIDI Cable, and Medium Dust Cover - Walmart.com