^Johnson, Kristy (December 2, 2009). "Britney’s Dance Dream Team". Dance Informa. Retrieved November 10, 2010. "Living in Brooklyn and with my family being West Indian, I was into a lot of Dancehall Reggae music. I ended up being part of a show in Brooklyn called ‘Flex N Brooklyn’ that created another dance style we call Flexing, which evolved from a style called ‘The Bruk Up’ from Jamaica."
^Harrison, Darryl (October 26, 2009). "Bone flexing in Brooklyn". New York Post. Retrieved November 10, 2010. "The biggest misconception is that flexing or our style came from hip hop, and it didn’t. It actually came from reggae. It came from ‘bruk up.’"
^"Gas-Masked Dancers Hit The Subway (VIDEO)". Huffington Post. September 17, 2011. Retrieved March 5, 2012. "This music video, by YAK Films for King Bones and DJ Aaron, shows two shirtless dancers/contortionists in gas masks intertwining with each other... it's a mesmerizing, and slightly unsettling, performance."