The "w" sound and the "r" sound

Hi everybody! In order to practice the difference between the W sound and the R sound, I strongly recommend you to visit the following link. I couldn’t upload the video because the embedding is disabled by request (that’s what it says!). We will discuss and practice in the next class the difference between both of those sounds.

http://www.youtube.com/watch?v=UpB09DKh4F8&feature=related