The Cheapest, Efficient Solution - Xmifer Aerator shoes are much cheaper than buying or rent a expensive lawn aerator and much easier than using a hand lawn aerator. It’s easy and fast to poke through the deep soil, helps grass to absorb water, nutrients and air Durable Spiked Sandals - Xmifer Aerator shoes are made of durable zinc alloy metal buckles, Polypropylene and HDPE base to ensure you are safe while using Work in Any Soil - Each aerator sandal consists of thirteen 45-mm spikes arranged in a dense pattern for aerating the soil with efficient and perfect for any soil such as dirt, sand and clay. One Size Fit All - Xmifer lawn aerator spike shoes are suitable for all kind of shoes of men, women. 8 adjustable straps will secure tightly the lawn aerating shoes to your boots with double layers straps Easy and Fast Assemble - Xmifer spike aerator shoes require minimal assembly. You can use the included wrench to tighten the nuts that hold the spikes on the shoes.