1. Anti-friction cloth: This small cloth may be a special cloth added to prevent friction. For example, in some places that need to be kept clean, this cloth can reduce the contact between pantyhose and skin and avoid unnecessary friction and discomfort.

2. Hip-lifting effect: This kind of small cloth may also be designed to achieve the effect of hip-lifting, and improve the body proportion by improving the hip line.

3. Increase comfort: This small cloth can increase comfort. For example, in the case of wearing pantyhose for a long time, this fabric can reduce the discomfort of genitals and provide a better wearing experience.

In a word, the specific name of this small cloth may be different due to the brand and style of pantyhose, and it may also have multiple functions. If more detailed information is needed, it is recommended to check the description of relevant products or consult professionals.