![Need help to understand this circuit. It looks easy but the poor camera shot and lighting makes it hard to see. This is an MXR-144 loop selector and this image is from Need help to understand this circuit. It looks easy but the poor camera shot and lighting makes it hard to see. This is an MXR-144 loop selector and this image is from](https://preview.redd.it/ieu7i726dai61.jpg?auto=webp&s=107cc3bdb365ec5686fd37533890a072bddc2d5a)
Need help to understand this circuit. It looks easy but the poor camera shot and lighting makes it hard to see. This is an MXR-144 loop selector and this image is from
![Choosing Your Dual Loop Switcher: Tri Loop, Black Loop, White Loop || One Control Wednesday - YouTube Choosing Your Dual Loop Switcher: Tri Loop, Black Loop, White Loop || One Control Wednesday - YouTube](https://i.ytimg.com/vi/rUakFpsLNtQ/mqdefault.jpg)
Choosing Your Dual Loop Switcher: Tri Loop, Black Loop, White Loop || One Control Wednesday - YouTube
![Amazon.com: EX Guitar Effects Loop Switcher Pedal Passive Channel Switcher Box : Musical Instruments Amazon.com: EX Guitar Effects Loop Switcher Pedal Passive Channel Switcher Box : Musical Instruments](https://m.media-amazon.com/images/I/61zjj43yCcS._AC_SL1500_.jpg)