Part 13 · Chapter 136

Thus it is found that what is said — that each lock is a spring issuing from the hidden Mocha — is not said of the essence of their own light, but of the lights that issue from the Mocha and pass within them. And the fact that they are called hairs (saarin), barbs (kutzin), and locks (nimin), etc., we have explained well in the matter of Zeir Anpin, and from there you can understand and compare one thing to another. See there well.