heel stitch cam

例句：

1. 1. The heel stitch cam is an essential tool for professional seamstresses.
   鞋跟缝合装置是专业缝纫师必备的工具。
2. 2. The heel stitch cam has been upgraded to offer more precise control over the stitching process.
   鞋跟缝合装置已经升级，可以更精确地控制缝纫过程。
3. 3. The heel stitch cam has become a popular choice among fashion designers, as it allows for seamless heel stitching without sacrificing style.
   鞋跟缝合装置已成为时尚设计师的热门选择，因为它允许无缝缝合鞋跟而不失风格。