You pull it from the rest to examine it more closely. The key is a sturdy metal, with a good weight in your hand as you pick it up from its brethren.
It fits comfortably in the palm of your hand.
This particular item has a card displayed nearby. You pick it up and read. 'This crowd favorite conveniently hooks to necklaces, boot straps, key rings, corset hooks, and more. This has been a long time request from Ship's Alchemist Jasmynn, we're excited to finally have them.'