D'Addario XPND Pedal Board Riser - Elevate Pedal for Guitar Pedal Board - Raises 1 inch on Pedalboard - Built In Cut Out for Cable Routing - Riser Fits 2 Pedals :
Pedalboard Riser | TalkBass.com
DIY lo-fi Guitar Wah Pedalboard Risers (Works with any pedal) - YouTube