Having a heavy-duty nail clipper with a generous 15mm opening is crucial for effectively and comfortably managing very thick toenails that ordinary nail clippers may struggle to trim. The wider jaw allows for a more accommodating approach, enabling effortless cutting without the risk of jagging or tearing. This heavy-duty design ensures a smooth and precise nail-trimming experience, offering a practical solution for individuals with exceptionally thick or stubborn toenails. The enhanced functionality and durability of such nail clippers make them an indispensable tool for proper foot care, ensuring both convenience and effectiveness in managing challenging nail conditions.