Silk zippers are commonly used in the following scenarios:

1. Clothing: Silk zippers are commonly found on silk uniforms, silk dresses, silk shirts, and other clothing. They can help adjust the fit of the garment and make it easier to put on and take off.

2. Window curtains: Silk zippers are suitable for luxury or high-end hotels, interior decoration places, and window curtains. By pulling the zipper, the opening and closing of the curtains can be adjusted, allowing for easy light control.

3. Wallets and handbags: Silk zippers are commonly used in high-end handbags, wallets, and other leather products. They provide a smooth zipper experience and enhance the aesthetics of the product.

4. Bedding: Silk zippers can also be used in bedding such as duvet covers and pillowcases. They can conveniently secure the bedding to the bed and prevent sliding. These are just some common uses of silk zippers.

In reality, due to the soft and glossy texture, as well as the elegant feel of silk, silk zippers are often found in luxury and high-end brand products.