StEp OnE:

--Separate your hair, string, or whatever it is that you're using into 3 parts.

StEp TwO:

--Put the first part, on the right in the middle, going over the original middle part, so that the original middle part is now on the right.

StEp ThReE:

--Now, bring the third part, on the right, to the middle, placing it also, over the middle part so that the middle part now becomes the left part.

StEp FoUr:

--Keep repeating steps 2 and 3 until you have run out of hair or string.