How exactly does a hair weave work?

I know that Tyra Banks has one, but how does it work and where is her real hair? It's sad, I'm black and I don't even know...ahh!!

How exactly does a hair weave work?

Well, it depends on what hair weave u talkinz about, cause there is all kinds the weave pony tails (which u put your hair up in a ball in put the weave pony tail n or regular weave in which you french braid it to someones hair. Um, it works all kinds of ways, jus look at some hairstyles or go to a hairstylist or somethin n they will tell you what a hair weave is.

How exactly does a hair weave work?

The best advise is to go to a professional and let them explain it to you how it is done and which would look best on you.