1 Double Pack of Sock-Locks - Blue (10 Pieces). Use Sock-Locks when you take off your socks and before putting them in the hamper. When the wash is done, simply remove the sock-lock and put your socks away or store your socks with the sock-lock on. Also called Sock Holders, Sock Sorters, Sock Clips, Sock Rings, Sock Organizers. Doubles also sold under the names Loc-a-Sok and Sok-a-Lok. We carry Doubles Packs and Mixed Packs of Singles and Doubles. Perfect for keeping similar color (but not exactly matching) socks separate. Each member of your household could use a different color to make sorting laundry a breeze. Fewer lost and mismatched socks saves you money! Great for campers and college students.