As you can probably guess by watching this video, this hair removal method definitely takes practice.
If you're having the threading done for you, you'll want to ask lots of questions about their experience. How long have they used threading as a hair removal technique? Who trained them?
You may also want to look for indications as to how well they try to manage the comfort of their clients. This hair removal technique can be a bit painful at the hands of a newbie. Ideally, your hair removal specialist will take your comfort into consideration.
And, of course, like most hair removal techniques, threading is not a permanent hair removal solution.