How do wolves get other wolves to join their pack?

Wolves, when they are puppies will wrestle and play fight. They watch other adults and try to imitate them. Some wolves can do this for hours! Sometimes they will pretend to hunt and will capture bones of a carcass near by. It is what they call there prize! Other wolves in there teenage years will play tag and chase each other. The sign for this to lay down and have there rump in the air. There tails are usually wagging!
Wolves, much like other animals, do something called "play fighting". it provides entertainment while also training young pups how to hunt and fight. no wolves are harmed while they play fight, they aren't really trying to hurt each other.