Bellah and Jasmine are new to the Lab, and wants to check their blowing pressure. They are using the Comfit-D mouthpieces to maximize the seal at their lips, and are able to blow and record their pressure simultaneously on our new two-channel pressure recorder. They discuss the proper muscles to use to exert maximum pressure, and try several times to improve upon their performance. Who has more puff?

Bellah and Jasmine are new to the Lab, and wants to check their blowing pressure. They are using the Comfit-D mouthpieces to maximize the seal at their lips, and are able to blow and record their pressure simultaneously on our new two-channel pressure recorder. They discuss the proper muscles to use to exert maximum pressure, and try several times to improve upon their performance. Who has more puff?