When someone grabs your pants at the knees, bring your feet to inside elbows and grab sleeves, go to spider guard. Bring a leg down to break opponents grip, then foot goes to hip, grab same side foot and tripod sweep. Progressive guard - no foot to hip connection, foot to hip connection, try to pass, step in to pass, back to guard from head position, go to head kick - block to crab ride, or front trip where you grab their hips and ride up. No Gi mount escapes - elbows in push on leg and shrimp out to single leg X, if their posture is high push on hips. Back escapes - control choking arm or bring choking arm over head, get hips over opponents leg an sit up.