Howcast - Learn how people masturbate and the health benefits of masturbation from sex therapist Dr. Megan Fleming in this Howcast video about sex psychology.

Howcast - Learn about jazz masters Luigi, Nat Horne, Jose Meier, Rhett Dennis and Lou Conte from jazz dance expert Liz Piccoli in this Howcast dance video.

Howcast - Learn how to do the hip walk from jazz dance expert Liz Piccoli in this Howcast dance video.

Howcast - Learn how to do passing the open guard techniques from Team Radical MMA head coach Rene Dreifuss in this Howcast MMA video, part two of two.

Howcast - Learn everything you need to know about giving your infant a pacifier from parenting coach Tammy Gold in this Howcast baby care video.

Howcast - Learn how to do the cat mommy for a leg workout from fitness instructor Michelle Seabreeze in this Howcast dance workout video.

Howcast - Learn how to install a cruiser-style saddle from Silk Road Cycles' Brendon Nicholas in this Howcast bicycle repair and maintenance video.

Howcast - Learn the nine best wedding hair tips from stylist Joy La Rosa in this Howcast wedding hair tutorial.

Howcast - Learn five ideas for medium-length hair from stylist Joy La Rosa in this Howcast wedding hair tutorial.

Howcast - Learn about preparing your hair for styling from stylist Joy La Rosa in this Howcast wedding hair tutorial.

Howcast - Learn how to prepare your hair for curly styles from stylist Joy La Rosa in this Howcast wedding hair tutorial.

Howcast - Learn how to do a three ponytail updo hairstyle with veil from stylist Joy La Rosa in this Howcast wedding hair tutorial.

Howcast - Learn how to do a three ponytail updo hairstyle from stylist Joy La Rosa in this Howcast wedding hair tutorial.

Howcast - Learn how to do a half up / half down hairstyle with a veil from stylist Joy La Rosa in this Howcast wedding hair tutorial.

Howcast - If you want to shake your booty like Beyonce, you'll have to work on your flexibility – and a style of dance called J-Setting.

Howcast - Learn about light whiskey from the experts at NYC's Rye House in this Howcast video.

Howcast - Learn about wheat whiskey from the experts at NYC's Rye House in this Howcast video.

Howcast - Learn how to treat balding hair from hair transplant surgeon Craig Ziering, MD in this Howcast video.

Howcast - Learn how to staff the front of the house from restaurateur Paul Bolles-Beaven in this Howcast video.

Howcast - Learn the factors to consider when planning wedding flowers or a centerpiece from floral designer Sarah Brysk Cohen in this Howcast video.

Howcast - Learn how to get hair color like Kim Kardashian from Pierre Michel Salon colorist AJ Lordet in this Howcast hair tutorial.

Howcast - Learn how to get hair color like Ashlee Simpson from Pierre Michel Salon colorist AJ Lordet in this Howcast hair tutorial.

Howcast - Learn about the role of the flamenco guitar in flamenco music in this Howcast video.

Howcast - Learn how to do a dreads Mohwak ponytail in this Howcast hair video about dreadlocks.