This EKG Badge Reel is the perfect accessory for nurses, doctors, and all medical professional staff that are involved in cardiac medicine. Heart is embroidered in black thread and comes attached to a retractable badge reel. The back of the badge reel has a metal clip that can be clipped onto pockets, belt loops, scrub shirts, etc. If you prefer a swivel alligator clip, please let me know at checkout. There is a plastic snap at the bottom of the badge reel for attaching ids and name badges.