The rotation is written on the back of a bank envelope in the front pocket of the bag.
Press, pull, squat, then the same three again in the same order, forever.
The ink has gone through where the envelope folds.

It has not been altered in two years and it does not need altering.
It is the only document I own that has never had to argue with anybody about anything.

The Book of the Shadow — Grind 56:7