Popcorn earrings are the perfect accessory for movie night with friends; Popcorn earrings are the perfect accessory with friends; popcorn, movie snacks, and conversations, all in one fun evening. Just-ti titanium is the best metal for earring studs and hooks because it is hypoallergenic, durable and tarnish resistant. Just-ti uses the highest quality of titanium in their ear wires, making them comfortable to wear without any irritation or allergic reaction from our clients.