This object is a gold-tone irregular metal buckle, a multifunctional fashion accessory characterized by its organic, "wavy" or "hammered" design. It is widely used across various garment types as both a decorative and functional fastener. 

Primary Uses

Depending on the specific garment, this accessory serves several purposes:

• Outerwear Fastener: It is frequently used as a stylish belt buckle for trench coats, cardigans, and dresses to cinch the waist.

• Swimwear Decor: Due to its rust-resistant properties, it is a common choice for swimwear clips and beachwear connectors.

• Clothing Pin/Brooch: Many versions include a pin-back, allowing it to be worn as a statement brooch on suit lapels or as a decorative scarf ring.

• T-Shirt Slider: It can be used to gather and secure the fabric of t-shirts to create a draped, custom fit. 

Design & Material

• Style: Minimalist, irregular geometric shape with a polished or "melted" metallic finish.

• Material: Typically crafted from a durable zinc alloy or plated metal that is often nickel-free and lead-free.