What is this noise this girl is making before her burps?
1. http://www.youtube.com/watch?v=2YAbDHfoO…
2. http://www.youtube.com/watch?v=hh-aWWv8w…
Also what is this mouth thing this girl is doing before she burps?
1. http://www.youtube.com/watch?v=r4qS9wRg9…