Lawn Care Garden Grass Sod Aerator Spike Spiked Strap Shoes Garden ToolsNote: Unlike some of the other products, this one uses metal buckles instead of plastic. Spring loaded buckles to conveniently strap up and keep tight. Three sets of buckle straps are supplied on each side. Aerating your garden gives the stem much needed oxygen. Easy to use garden aerating shoes. One size fits all, straps to secure fitting. Please check one of the photos for detailed size. For cleaning if necessary. Breath some life into your lawn.