Howcast - Learn how to do ikkyo from the instructors at The New York Aikikai in this Howcast aikido video.

Howcast - Learn how to do ukemi nage from the instructors at The New York Aikikai in this Howcast aikido video.

Howcast - Learn how to do katatori from the instructors at The New York Aikikai in this Howcast aikido video.

Howcast - Learn how to use the Yari from Sensei Oliver Martin in this Howcast ninjutsu video.

Howcast - Learn how to practice aikido safely from the instructors at The New York Aikikai in this Howcast aikido video.

Howcast - Learn about scalp reduction from hair transplant surgeon Craig Ziering, MD in this Howcast video.

Howcast - Learn how to correct bad hair plugs from hair transplant surgeon Craig Ziering, MD in this Howcast video.

Howcast - Learn about two hair transplant techniques from hair transplant surgeon Craig Ziering, MD in this Howcast video.

Howcast - Learn how to cut your own hair from stylist Janet Waddell in this Howcast hair tutorial.

Howcast - Learn how to analyze and fine-tune your haircut from stylist Janet Waddell in this Howcast hair tutorial.

Howcast - Learn about the three basic tools and techniques needed to cut hair at home from stylist Janet Waddell in this Howcast hair tutorial.

Howcast - Learn tanto tori -- how to defend an attack with a tanto, or knife -- from the instructors at The New York Aikikai in this Howcast aikido video.

Howcast - Learn jo tori -- how to defend an attack with a jo, or staff -- from the instructors at The New York Aikikai in this Howcast aikido video.

Howcast - Learn how to do hiji waza from the instructors at The New York Aikikai in this Howcast aikido video.

Howcast - Learn how to massage the arms and hands using deep tissue massage techniques from celebrity massage therapist Meagan Holub in this Howcast video.

Howcast - Learn how to give a deep tissue massage using your knuckles from celebrity massage therapist Meagan Holub in this Howcast video.

Howcast - Learn how to massage the shoulders using deep tissue massage techniques from celebrity massage therapist Meagan Holub in this Howcast video.

Howcast - Learn about Dr. Craig Ziering, one of Howcast's thinning hair and baldness experts, in this video.

Howcast - Learn what Kenjutsu is from Sensei Oliver Martin in this katana sword fighting video from Howcast.

Howcast - Learn what a bokken is and what a shinai is from Sensei Oliver Martin in this katana sword fighting video from Howcast.

Howcast - Learn how to do immersion dyeing with fiber reactive dyes in this Howcast video about tie dyeing.

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

Howcast - Learn how to prepare squeeze bottles for tie dyeing in this Howcast video.

Howcast - Learn how to do krumping arm swings in this street dance video from Howcast.