Found in a box of old sewing stuff at a garage sale. It looks like small metal tongs with padded discs at the end and a loop for a chain. What on earth is this thing used for?

a belt or chatelaine, a versatile approach that kept the device accessible and easy to use.
6. Fashion Meets Function: Keeping Hemlines Clean And Dry
The primary function of a skirt lifter was to keep hemlines free from dirt and moisture. In an era when streets were often unpaved and public sanitation was still developing, the ground could be a treacherous place for trailing skirts. The skirt lifter provided a practical solution, allowing women to maintain their clothing’s cleanliness and extend its lifespan.
In addition to its practicality, the skirt lifter also served a secondary role in fashion. By lifting the skirt, women could highlight their footwear and show a hint of ankle, adding an element of style and allure to their appearance. This blend of function and fashion made the skirt lifter an essential accessory for many women.
7. Status Symbol And Style Accessory In The Age Of Bustles