If you ever work with leather dyes, it would be great to remember BEFORE you start that you, too, are made of leather.
FIRST GRAVEDIGGER
Faith, if he be not rotten before he die—as we have many pocky corses nowadays that will scarce hold the laying in— he will last you some eight year or nine year. A tanner will last you nine year.
~Hamlet
Act 5 Scene 1