How to Roll Perm Rods

Q: While perming my hair, when I wrap and get ready to roll the rods do I roll upward or down with the rods? Thank you for your time.
You can see a diagram and reference to the method of wrapping a perm here. The link specifically says wrapping a perm for a body wave, but the only difference is that for a standard perm, smaller rods are used.
You don't necessarily have to wrap a perm in a specific pattern. Often, you can achieve very natural-looking results through wrapping a perm in a random pattern. You can create various effects using varied wrapping techniques as well as different types of tools.
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See also:
Perms and perming
How to wrap a perm
How can I get perm rods to be even and uniform?