Kwikgoal Box AnchorsThe 10B5303 Box Anchors are recommended for natural grass fields, and adhere to the Kwik Goal Lock in to Goal Safety program. The 10B5303 Boxes Anchors are attached to steel auger anchor pilings, which help with strength and longevity. A leash is run out of the box and around the base frame of the goal. The leash is then locked with a keyed padlock ensuring only authorized personnel can remove the anchoring. A soft urethane top protects the contents