External Switch Mod for the EHX Freeze - Stompbox Electronics
Amazon.com: FLAMMA FS22 Stereo Delay and Reverb Pedal Digital Guitar Effects Pedal with Reverse Delay Shimmer Reverb Tap Tempo Freeze Trail On Function : Musical Instruments
Guitar Pedal X - GPX Blog - TC Electronic's Infinite Sample Sustainer Pedal is a Cool New Evolved Layered Fade In/Out Freeze / Sustainer Effect with added Reverb and FX Loop
Electro-Harmonix Freeze Pedal Review - Guitar Space
Electro Harmonix Freeze Pedal: An Honest Review - YouTube