Protecting All That You Love and Care About with Master Lock and the American Red Cross #MasterLockProtects This article may include a provided product or affiliate link. See footer for full details.”February 18, 2014 by cindy Leave a CommentMaster Lock, the world’s largest manufacturer of padlocks and related security products, is helping consumers protect all that they love and care about in 2014, whether a precious pet, certain someone or prized possession.