Open guard knees to chest: talk about posture all the time in Jiu jitsu – understand from the that different situations will require different postures from you to maximize your efficiency. When it comes to open guard – if you do not have a controlling on your opponent – be sure to KEEP YOUR KNEES TO YOUR CHEST. This lessens the chance of an opponent explosively clearing your legs and passing before you can react. It also lessens the danger of a quick lock entry by the player. In short – it makes you DEFENSIVELY SOUND at all times until you can get a solid upon your opponent that allows you to focus on offense. Here, Australian Star Craig Jones shows near perfect open guard posture, necessary because he does not yet have a controlling grip upon his partner.