Howcast - Learn how to hold a violin from musician Julie Artzt Becker in this Howcast video.

Howcast - Learn scarf attacks from Team Radical MMA head coach Rene Dreifuss in this Howcast MMA video.

Howcast - Learn how to do water aerobics cross-country skiing from Dancing with the Stars performer Aubree Marchione in this Howcast water workout video.

Howcast - Learn how to do an angled prone reverse curl from personal trainer Brett Azar in this Howcast home arm workout for men video.

Howcast - Learn how to do the two-point bridge from personal trainer Brett Azar in this Howcast home arm workout for men video.

Howcast - Learn how to do a diamond push-up from personal trainer Brett Azar in this Howcast home arm workout for men video.

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

Howcast - Learn hamstring exercises from certified personal trainer Max Tapper in this Howcast gym workout video.

Howcast - Learn how to do push-ups properly from certified personal trainer Max Tapper in this Howcast gym workout video.

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

Howcast - Learn how to replace a back wheel from Silk Road Cycles' Brendon Nicholas in this Howcast bicycle repair and maintenance video.

Howcast - Learn how to adjust bike gears and derailleurs from Silk Road Cycle's Brendon Nicholas in this Howcast bicycle repair video, part one of three.

Howcast - Learn how to adjust a threadless headset from Silk Road Cycles' Brendon Nicholas in this Howcast bicycle repair and maintenance video.

Howcast - Learn how to replace a front wheel from Silk Road Cycles' Brendon Nicholas in this Howcast bicycle repair and maintenance video.

Howcast - Check out part 34 and shoot up Brazil in this walkthrough of Rockstar Games' new drug fueled shooter, Max Payne 3.

Howcast - Learn how to wave from professional dancer Charlene "Chi-Chi" Smith in this Howcast dance video.

Howcast - Learn the proper posture when dancing the Argentine tango from tango instructors Diego Blanco and Ana Padron in this Howcast tango dance video.

Howcast - Learn how to do the thunder clap in reggae dancehall from the founders of Str8FramYaad Dancehall Aerobics in this Howcast dance video.

Howcast - Learn how to do the Pilates mat exercise spine stretch forward from Core Pilates NYC instructor Sarah Ruback in this Howcast workout video.

Howcast - Learn how to do the double straight leg stretch Pilates Mat ab exercise from Core Pilates NYC instructor Sarah Ruback in this Howcast workout video.

Howcast - Learn how to do the single leg circle Pilates Mat exercise from Core Pilates NYC instructor Sarah Ruback in this Howcast workout video.

Howcast - Learn how to do a single straight leg stretch Pilates Mat ab exercise from Core Pilates NYC instructor Sarah Ruback in this Howcast workout video.

Howcast - Learn how to do the single leg stretch Pilates Mat ab exercise from Core Pilates NYC instructor Sarah Ruback in this Howcast workout video.

Howcast - Learn how to do pistol squats from personal trainer Mindi Smith in this Howcast sexy legs workout video.