Noun
flattened boss on the end of nail opposite to the point
something resembling the head of a nail that is used as an ornamental device
Source: WordNetBlue velvet upholstery gives this navy settee a soft touch and elegant look, and silver nailhead details on the arms provide eye-catching contrast. Source: Internet
Wrap the first letter of your daughter's name in leather, and add a nailhead trim with wire-cutting pliers. Source: Internet