Carolina Custom Cages Bearded Dragon Hammocks Suction Cup Hooks, 2 sets These Suction Cup Hooks work well in glass habitats for our Bearded Dragon Hammocks by Carolina Designer Dragons. Maybe you are moving your hammock (and bearded dragon) to a new habitat or maybe you simply want some dependable suction cup hooks for other habitat dcor. Carolina Custom Cages is a division of Carolina Designer Dragons, Inc. The 1-3/4 diameter Suction Cup Hooks are very sturdy and rated for 3 pounds. We havent had one fail when applied to a clean, dry surface.