Some soft corals encrust other sea objects or form lobes. The Cheilostomata produce mineralized exoskeletons and form single-layered sheets which encrust over surfaces. Colonies commonly encrust hard substrates such as rocks, shells and carbonate hardgrounds. Also, some species encrust like coral. It partnered with Swarovski to encrust the "Bijoux" line of watches. The cover artwork was created by Sugar, Rajbhandari, and Chris Angelucci of Encrust. "Who Was the First to Encrust the Walls of Houses at Rome with Marble".