Guitar Pedal X - GPX Blog - Ben Fulton's Red Witch Pedals Releases Ultimate Fuzz God IV Edition which combines Twin BC109 Silicon Fuzz with Octavia, Oscillation and Extended Configurability
WAY HUGE® SMALLS™ AQUA-PUSS™ ANALOG DELAY - Dunlop
PT2399 Delay Pedals - How to Add Self Oscillation - YouTube
Self-Oscillation Compact Delay Shootout - zZounds Music Blog
Dreadbox Disorder Fuzz Effects Pedal with Self-Oscillating Filter | KraftMusic.com
Lilac Cloud – Self Oscillating Fuzz – drolo
Got a problem with my pedal self oscillating in bypass mode. Not sure what's causing it. More detail in comments. : r/diypedals