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. Beware of Safety has six official releases in its catalog: It Is Curtains (2007), dogs (2009), Giants/BoS Split 7" (2011), Leaves/Scars (2011), Lotusville (2014), and Mabon (2015). The band has released albums with The Mylene Sheath in the USA as well as Friend of Mine records in Japan and has toured throughout the USA and Europe highlighted by performances with Caspian, El Ten Eleven, If These Trees Could Talk, Té, sleepmakeswaves, Maserati, The American Dollar, Signal Hill, and Junius, among others.