Even with products like nail clippers that seem to have reached the maturity stage, there is still possibility for development that improves upon the usability and changes the users' way of thinking and consumer behavior. Instead of the conventional single bevel, Suwada Nail Clippers are equipped with double-edged blade to provide a clean cut. The hinge structure introduced to the clippers to make double-edged blade enables the clippers to open up, making it possible to sharpen the clippers when they become dull. This involves excellent technological competence and accuracy. Resharpening of the clippers are offered for 1,000 yen, which includes shipping charges, reflecting the company's support system that encourages the customers to use the quality tool for a long time. Such stance was positively evaluated by the judges. In addition to leaving beautiful edges, the clippers give the users to prize and cherish the tool for years to come.