Howcast - Learn how to put together a tremolo piece in this flamenco guitar lesson video from Howcast.

Howcast - Learn how to play picado in this flamenco guitar lesson video from Howcast.

Howcast - Learn how to do the top three plyometric exercises that improve vertical jump in this Howcast workout video about plyometric exercises.

Howcast - Hitting a slow-pitched, high-arcing softball harder and farther takes hand-eye coordination, patience, and rhythm. Add power to your swing and hit farther home runs than you ever have before.

Howcast - Learn how to sing the classic kid's song Rum Sum Sum with this Howcast video.

Howcast - Learn what to do if you're attacked in an alley or parking lot in this self-defense video from Howcast.

Howcast - Learn how to defend yourself against forward stabbing in this self-defense video from Howcast.

Howcast - Learn some good takedown moves in this self-defense video from Howcast.

Howcast - Learn how to do an eye jab in this self-defense video from Howcast.

Howcast - Learn what to do if your snake won't eat in this Howcast video about pet snakes.

Howcast - Learn if dieting slows down metabolism, making it harder to lose weight, in this Howcast video about obesity.

Howcast - Learn how to do popping, locking, and ticking in this street dance video from Howcast.

Howcast - Learn how to do pop and lock ground moves in this street dance video from Howcast.

Howcast - Learn how to do the hip-hop dance move called the robot, aka botting, in this street dance video from Howcast.

Howcast - Learn how to do turfing wave illusions in this street dance video from Howcast.

Howcast - Learn how to solo using patterns on the pentatonic scale in this keyboard tutorial from Howcast.

Howcast - Learn how to do the sumo dip with this Latin dance video from Howcast.

Howcast - Learn how to do Latin dips for men with this dance video from Howcast.

Howcast - Learn how to do exits in zouk dance in this Latin dance video from Howcast.

Howcast - Learn how to do the zouk slow wave and sway in this Latin dance video from Howcast.

Howcast - Learn how to do an easy zouk circle in this Latin dance video from Howcast.

Howcast - Learn how to do the slow mouse prank in this office pranks video from Howcast featuring comedian Jared Freid.

Howcast - Learn how to hula hoop faster from hula hooping expert Natalie "McFancy" Wise in this Howcast video.

Howcast - Learn the difference between static movement and dynamic movement from indoor rock climbing expert Cliff Simanski in this Howcast video.