Howcast - Learn all about ear stretching, aka gauges, from professional piercer Owen Beane in this Howcast video.

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Howcast - Learn the five best espresso tips from the experts at Third Rail Coffee in this Howcast video.

Howcast - Learn how to earn money with ad-supported videos from Fullscreen founder George Strompolos in this Howcast video about how to make money with YouTube.

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Howcast - Learn if you need to take an iron supplement from registered dietician Glen Tobias in this Howcast video.

Howcast - Learn if supplements promote weight loss from registered dietician Glen Tobias in this Howcast video.

Howcast - Learn about basic training pay in this Howcast video with Sergeant Michael Volkin.

Howcast - Learn how to get shoulders like Jessica Biel's from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to make pour-over iced coffee from the experts at Third Rail Coffee in this Howcast video.

Howcast - Learn about drum measures and bar lines from drum teacher Jason Gianni in this Howcast drum video.

Howcast - Learn how to pick the right wood for the right meat from Pork Barrel BBQ pitmasters Heath Hall and Brett Thompson in this Howcast video.

Howcast - Learn how to play the five-stroke roll from drum teacher Jason Gianni in this Howcast drum video.

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Howcast - Learn about the nutritional benefits of Greek yogurt versus regular yogurt from nutrition expert Alex Jamieson in this Howcast video.

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Howcast - Learn how to read a person's eyes in this body language video from Howcast.

Howcast - Learn how to do an exercise ball dumbbell press from certified personal trainer Max Tapper in this home chest workout for men video from Howcast.

Howcast - Learn how to do a biceps workout from certified personal trainer Max Tapper in this Howcast gym workout video.