Where is it?
I couldn't find the post anywhere--I wanted to laugh at that letter!
Anyways, the rule of three/lay of tens may have originated with a clumping system but it has since evolved. It is a quick and easy way to determine the density of tens in a group of cards. Just don't use the...
The truth
As a former dealer, I know that most joints do not tolerate their employees hustling tokes. I'd mention something to a boss on the way out, probably, and not tip a thing. I also know that dealers cannot keep a count while dealing, it is just too hard to count and continuously add up...