Line 6 Pod Go: Setting up 4 Cable Method - YouTube
CrankyGypsy
Headrush Pedalboard - 4 cables method - tutorial | Curious on how to use the HeadRush Pedalboard with the 4 cable hookup method? Our buddy Marco Fanton lays it down for you,
What is the "4-cable-method" and what is it used for? - BluGuitar
What is 4 Cable Method & How Do You Use It? - Andertons Blog
Using two devices with 4-cable method (ReVolt and HX Effects) | Rig-Talk