How to Record Multiple USB Mics on a Mac

Hello Friends. 

If you have ever attempted to record two USB mics on a mac, you have been greeted by that infuriating fact that you can only use one audio interface at a time. Through an error, I came across this trick to essentially create a digital audio interface that allows you to hook up multiple USB microphones at once and record them all individually on a mac. I show how it works in Logic Pro X, but I hear that it also works in Garage Band. 

Let me know if you have any questions about this technique in the comments down below and I'll do my best to answer them ASAP.