Which players are allowed to take advantage of these exceptions
{"Image DocumentName": "Which players are allowed to take advantage of these exceptions ?", "Image ImageDescription": "Any Offensive player that is on his line of scrimmage and inside the zone at the snap may block below the waist, clip, or block in the back. Any Defensive player that is on his line of scrimmage and inside the zone at the snap may block below the waist. (Rule : A defensive player is considered on the line if he is within 1 yard of his LOS at the snap).", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}