1After putting the shoe stretcher into the shoe, the lever can be adjusted to the required support size to expand the shoe to a perfect fit. 2Suitable for left foot shoes or right foot shoes. Solve the problems of shoe squeezing and rubbing feet, and can effectively support tightfitting shoes. 3Internal allmetal middle frame design, sturdy and durable. High quality material, firm and wearresistant. 4Ergonomic design, easy to put in the shoe, flexible adjustment, keep the shoes in good condition. 5Suitable for mid-top shoes, high-top shoes and boots with laces or zippers, suitable shoes for men and women.