Katrina's blowing pressure test (experiment #0)
Price: $3.99
Length: 3 minutes
Size: 111 MB
Format: wmv
Resolution: 1280x720
Added: 5/27/13 6:09 PM
Anna administers our blowing pressure test to Katrina, who makes a strong initial effort even though she is only beginning to 'find' the muscles involved in expiration. Similarly, during the 'cheeks in' portion of the test, it takShow more