SANDALS PRO FOR AERATOR Lawn Aerator Shoes easily achieve the necessary soil aeration, low cost can maintain a good lawn, but also save energy and healthy environmental protection. Fully Manual Aerator: This manual lawn aerator includes 4 adjustable straps with secure strong buckles, 26 spikes, and a small wrench. The various holes in the bottom plate allow you to adjust the density. Environmentally Friendly Aerating Soils: This pair of lawn sandals will make your garden lawn healthier, allowing air to circulate in the soil at high speed, keeping moisture absorbed and ensuring better nutrient supply to the lawn. Easy to Assemble and Use: Simply put them on, adjust the straps, click the buckles, and you're on your way to a greener, healthier lawn. Comes with a picture instruction manual. Tip: Take good care of manual lawn aerators, clean and dry after use, can keep the product intact, extend the service life. If you have any problems, please contact me, we will do our best to help you solve the problem.