Willow Stretches Out Her Face and Tests Her Blowing Pressure (MP4 - 1080p)

Description: Willow is new to the lab, and very curious about her blowing abilities.  first, she stretches out her cheeks in an effort to avoid discomfort while puffing her cheeks as large as possible when she blows.  then she tries out three different mouthpieces, and finds one that significantly improves her blowing pressure.