With the hose, wash the edging with a gentle spray, dampening the sand between the bricks without dislodging it. As the sand absorbs water, it will set, acting like grout to lock the bricks in place for years to come.
Landscape Edging: 10 Easy Ways to Set Your Garden Beds Apart: EverEdge Edging - Made from sturdy, powder coated flexible steel with 3-3/4" spikes, EvrEdge appeals with its casual, country garden look. Lengths are interlocking for seamless installation and come five to a set, totaling 16 linear feet of edging per package. $95 at Grandin Road