The 3×5 system is the foundation (concrete) for any wrestling house (technical framework) All technique fits in and on the foundation of position, penetration, and prevention. In this video coach Slay shows the 5 fundamental keys to position, head up, back straight, hips in, off the knees, and pressure. This is applicable to all 3 positions, and many situations in wrestling. 3 x 5 System, Position, Words That Start With P