how to make the wig?

How wigs are made, and now days, more and more people like to use wigs to change their styling. But, while wearing different kinds of human hair wigs, do you know the source of wigs and how wigs are made? The supply and demand of making wigs is not as simple as everyone thinks, and the total supply has 20 processes.
Too long hair cannot be use directly and needs to be cut to the required size.this process is called cutting .the length of the cut hair is different ,and it can be devided into long hair and short hair .
The cut hair is messy and needs to be combed as well .