Pedal-links are Velcro and Adhesive free. Say goodbye to sticky residue or fabric strips that only stick to themselves. Pedal-links are perfect for any Pedal board Wood plastic carpet or metal Pedal-links work with pedal boards made of all materials. Flexibility is what separates Pedal-links from the pack. Here's How it works: If your pedal has screws in the corner of the housing of the pedal Pedal-links will work. Just remove the existing screws put the screw through the Pedal-link and retighten the screw. Then use the included mounting hardware and fasten the pedal to your pedalboard. Simple easy and effective. Included in every set of Pedal-links you will find 16 Pedal-links and accompanying hardware enough Pedal-links to mount 4 pedals.