Year of the Half-guard

I've decided I'm focusing the rest of this year to half-guard sweeps. I'm concentrating on 3 specific ones.

First up.

The Tails sweep, seen Roger do it and several others it's money, a great defense against that type of pass.

http://www.youtube.com/watch?v=1yYZ-kCXGbY&feature=related

Second. It's a little more difficult it's the Helicopter sweep.

http://bjj.org/techniques/intheguard/helicoptero/

3. Deep half-guard sweep

http://www.youtube.com/watch?v=v7vFR950fmE