Effective solution for shoe discomfort: This four-heads shoe stretcher machine addresses common issues like tightness, squeezing, or rubbing, ensuring a better fit for footwear. Durable aluminum alloy construction: Made from premium aluminum alloy with a metal gear shaft, it resists deformation and has a smooth finish for easy use. Simple operation process: Attach shoe lasts, insert shoes, and adjust with hand grips; stretching takes 24 hours, reducible to 8-10 hours with a hot towel or soft leather oil. Versatile use across shoe types: Suitable for men's, women's (including heeled), and children's shoes, ideals for home, shoe repair shops, or department stores. Maintenance and usage tips: Lubricate screw parts regularly for smooth operation; avoid excessive force to prevent slippage; expands shoes up to 6-7 mm, only for real leather products.