Let's say, for example how it's made...watch this
or
How easy is to buy it...
also you can use it for different kind of things, to improve...
but be very careful when you use it, especially for it's mainly scope: http://www.wildsound-filmmaking-feedback-events.com/the_pothole.html (middle of the page-seinfeld)
Some useful advice(from a nice lady) you will find below
If you aren't decided or you are energetic or a bit lazy, maybe this will help you
or you can do like this:))