I heard some pedals like wah-wahs and fuzz tones should be connected first. What is the deal?
The point here is that pedals like wahs and fuzzes react to the pickup. This means that they will sound and work differently depending on the instrument that is connected. If you are going to put them in a pedal chain, they are best served if they are placed in front of buffers like a chorus pedal, distortion, delay and so on. With the EFX, if your guitar is connected directly to the input, because they are true-bypass, when the waw of fuzz is in a loop, they will react as if connected directly to the guitar.