work

"One last tip. The "edge code" on the pads and shoes will roughly indicate the friction. Take a note of those in case you want to make adjustments or keep the same. DD is typical, EE is better, FF is good. These are broad ratings but they are to an SAE standard."

Never heard that before, interesting.

Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.