taekwondo exercises - the first one in yoga is Cobra, second is bow, third is monkey pose, 4th is plough, 5th is 1/2 moon wow - there is no difference!
This article by Roger Gracie Black Belt Nicolas Gregoriades will help you to improve your guard.
Jay-jitsu BJJ - No Gi - Side mount to triangle / arm attack
Side mount submissions
jui-jitsu BJJ - No Gi - Near side arm bar from side mount
Origin of Brazilian Jiu Jitsu Gi - http://bjjvault.com/origin-of-brazilian-jiu-jitsu-gi/
Resultado de imagen para jiu jitsu photos no gi