AYTM Concha Decorative Hook in Metallic Gold. Concha by the Danish AYTM is both a wall hook and an attractive wall ornament. The shell-shaped wall hook breathes the glamorous atmosphere of art deco, and its appearance is also modern and fresh. Add a decorative detail on your wall with a single hook, or arrange Concha hooks of different sizes into a shiny, captivating cluster of seashells...