Howcast - Learn how to do a heel hook MMA submission from Team Radical MMA head coach Rene Dreifuss in this Howcast video.

Howcast - Prevent yourself from peeing in your pants with these tricks.

Howcast - Pull off this easy prank, and – without causing any permanent damage – watch your co-worker squirm with frustration.

Howcast - Is your porcelain throne getting a bit shopworn? If you can change the toilet paper roll, you can replace your toilet seat.

Howcast - Your mom's gonna freak when she sees that big wad of gum in your hair—unless you get it out first. Here's how, without breaking out the scissors.

Howcast - Don't let this painful infection of the ear canal keep you out of the water! A few simple precautions can combat the excessive moisture that causes bacteria to fester.

Howcast - Even if you're the world's fastest typist, you can help avert carpal tunnel syndrome – a ligament inflammation that causes numbness in your wrists, hands, or fingers – by following these tips.

Howcast - Broomstick lace crochet forms a visually interesting and beautiful stitch.

Howcast - If you don’t yet know how to copy and paste, you’re about to learn about one of the biggest time-saving functions available on your computer.

Howcast - Find out just how low you can go by dancing the limbo with your friends.

Howcast - Program your RCA remote to work with your TV without code search instructions.

Howcast - The iPhone has a lot of functions, but one that may not be so well known is its ability to take screen captures.

Howcast - With a little magic you can add color to this great trick.

Howcast - If you're casting your play or film and need a lot of roles filled, consider an open casting call.

Howcast - The armies are on the march, and the world is awarded to the victor. Real global domination is a piece of cake compared to "Risk."

Howcast - Ribbon flowers are a lovely creation you'll be proud for people to notice.

Howcast - Curtains can add to the decor of any room, but if the rods aren't measured and hung correctly, you can ruin their effect.

Howcast -If you're a jet-setter or an international businessperson, you need to be able to type foreign currency symbols. There are simple methods to type the Euro sign on an American computer.

Howcast -This fun experiment will teach you how to find the center of gravity for any household, long-handled broom.

Howcast -Learn how to hold a guitar properly while sitting in this Howcast video.

Howcast -Learn how to hold a guitar pick in this Howcast video.

Howcast -Learn the five best putting tips from golf pro Michael Samaniego in this Howcast golf video.

Howcast -Learn how to hit a tennis volley from tennis pro Angelina Zdorovytska in this Howcast video.

Howcast -Learn how to grip a tennis racket from tennis pro Angelina Zdorovytska in this Howcast video.