Beware of Safety, commonly abbreviated as BoS, is an instrumental post-rock band from Los Angeles, California. The band plays sprawling, instrumental rock that could be classified as post-metal, post-rock, and even math rock at some points. Beware of Safety is currently on The Mylene Sheath roster in the United States.Their first release, It Is Curtains, was originally distributed in Japan by Friend of Mine records in 2006. Read more about Beware of Safety on Last.fm.