How do you use your Klein Bottle? : r/guitarpedals
VFE Pedals - Just finished & approved the final specs on the Klein Bottle circuit. I was able to extend the range of the filters, and made it even quieter. It's time
VFE Klein Bottle PCB's : r/diypedals
VFE Pedals Klein Bottle - video update #1 - YouTube
VFE Pedals - I printed out a batch of Klein Bottle graphics today. My goal is to finish all DIY kits and early bird pedals this weekend. #vfepedals # kleinbottle https://ift.tt/2GEfxnk | Facebook
2022 Klein Bottle Preorders | The Gear Page
VFE Pedals Klein Bottle multipath + multiband looper/mixer by Peter Rutter — Kickstarter
VFE Klein Bottle Filter/Mixer/Looper Guitar Effects Pedal | eBay
VFE Klein Bottle V2 | Reverb
Empress Effects ParaEq MKII Deluxe Equalizer and Boost Pedal > Effects | Rock n Roll Vintage Guitars
Help VFE Pedals make DIY available to everyone | Indiegogo