Howcast - Learn how to foam roll your neck in this Howcast video featuring certified NYC trainer Amanda Edell.

Howcast - Learn how to foam roll your upper shoulders and traps in this Howcast video featuring certified NYC trainer Amanda Edell.

Howcast - Learn how to copy appearance attributes with Adobe Illustrator from expert Will "Focus" Dubois in this Howcast video.

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

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

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

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

Howcast - Learn how to do an anaconda choke or gator roll MMA submission from Team Radical MMA head coach Rene Dreifuss in this Howcast video.

Howcast - Learn how to do a top triangle from scarf hold crucifix MMA submission from Team Radical MMA head coach Rene Dreifuss in this Howcast video.

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

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

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

Howcast - Learn how to use an arm bar from guard MMA submission against punches from Team Radical MMA head coach Rene Dreifuss in this Howcast video.

Howcast - Learn how to do an inverted arm lock from scarf hold MMA submission from Team Radical MMA head coach Rene Dreifuss in this Howcast video.

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

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

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

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

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

Howcast - Learn how to do a 10-finger guillotine MMA submission from Team Radical MMA head coach Rene Dreifuss in this Howcast video.

Howcast - Learn how to do an Americana from scarf hold MMA submission from Team Radical MMA head coach Rene Dreifuss in this Howcast video.

Howcast - Learn four street skating safety tips from former World Champion speed skater Gypsy Lucas in this Howcast video.