Punchau Lawn Aerator Shoes w/Metal Buckles and 3 Straps - Heavy Duty Spiked Sandals for Aerating Your Lawn or YardPROMOTES GREENER, HEALTHIER LAWNS Lawn aerator shoes let water, fertilizer and air get down to grass roots, improving the health of your lawn. 3 DURABLE STRAPS W METAL BUCKLES Our shoes feature strong metal buckles that won't break, unlike other lawn aerator sandals which have flimsy plastic buckles. ONE SIZE FITS ALL Our lawn aerating shoes have a sturdy base and twelve 2" spikes.