The website diggers.ru
You can distinguish several points, aka "Digger's Commandments":
1st Do not drink before (and on) planned expeditions.
2nd Do not walk without lights.
Three Do not use a bad rope.
4 is Before breaking the castle ten times look for a circumference path.
5 is Before I go somewhere, think "How do I get out of there?"
6 is Do not go one way.
7 is When looking for a stranger.
8 is Do not swipe the cables.
9 is No songs in the underground.
10 is Do not believe in hell (if possible).
11 is Do not wash other people’s things.
12 is Not on the cable.