Meet The Guitar pedal Rack Inspired By Modular Synthesizers : Ask.Audio
Best practices: add pedals to pedal tray in rack w/ connections | The Gear Page
Aclam Guitars - Custom Pedalboards and effects pedals
I'm still getting as much fun out of these cheesy old rack mount guitar effects as the fancy newer pedals. Who else is still using rack mount units? : r/guitarpedals
Best pedalboards: top choice 'boards for guitarists | MusicRadar