Howcast - Learn how to do a tsuki block from Sensei Oliver Martin in this katana sword fighting video from Howcast.

Howcast - Learn how to block in this knitting tutorial from Howcast.

Howcast - A car's Vehicle Identification Number is the car equivalent of human DNA -- it uniquely identifies it. Here are some places to look for your car's VIN.

Howcast - Check out part 1 and snipe German scientists in this walkthrough of Rebellion's new sniping game, Sniper Elite V2.

Howcast - Learn how to block a punch in this Howcast self-defense video.

Howcast - How much rain did that big storm drop? Make your own rain gauge and you'll always know the answer to this important weather question.

Howcast - Kata is a combination of karate poses and movements. It's designed to be practiced alone against imaginary opponents, to strengthen your mind along with your body.

Howcast - Pick up some tips on how to do gymnastics vault moves in this gymnastics training video from Howcast.

Howcast - Learn how to do a front handspring in this gymnastics training video from Howcast.

Howcast - Learn what blocking is on a pedal steel guitar in this Howcast video.

Howcast - Let tennis pros Joe Perez and Kirk Moritz teach you how to beat a hard hitter in this Howcast video.

Howcast - Explore the Museum and kill the SwordPig in Konami's new immortal undead shooter, NeverDead.

Howcast - Learn basic tongue techniques to play the sax in this Howcast video.

Howcast - Beat the penultimate boss fight with Alex in Konami's new immortal undead shooter, NeverDead.

Howcast - Learn how to treat insomnia with over-the-counter sleep aids from sleep specialist Priyanka Yadav, D.O. in this Howcast video.

Howcast - Learn how to do a hook shot from former top-ranking college basketball player Jason Curry in this Howcast video.

Howcast - Learn how to do an arm triangle choke from side control MMA submission from Team Radical MMA head coach Rene Dreifuss in this Howcast video.

Howcast - Learn which chess moves are legal and which are not in chess from Chess NYC in this Howcast video.

Howcast - Learn how to use the king in chess from Chess NYC in this Howcast video.

Howcast - Learn how to knit jogless stripes in the round from circular knitting expert Jessica Kaufman in this Howcast video.

Howcast - Learn how to animate found objects from Joe Vena of the Children's Museum of the Arts in this stop motion tutorial from Howcast.

Howcast - If you don't know how to raise a car off the ground by now, you don't know jack.

Howcast - The first lesson you'll need to learn if you want to ride a horse is how to get on it.

Howcast - Whether you are about to call someone you met online or for any other personal reason, keep your privacy by blocking your phone number from the receiver's caller ID.