https://smashmockup.com/business-card-mockup-with-paper-clip/

An original free business card mockup with a paper clip to showcase your business card designs. You can change the card and paper clip color easily and add your own graphics thanks to the smart layer.

This fully layered PSD file allows you to show off your design. The PSD file allows you to change all elements and come with many customization options. Completely layered file with smart object.