Berk, Ksenija. Barbed Wire: The Colonial Legacy of Design in Postcolonial Times. Decolonising Design, 2017.

Designed to segregate and dominate, barbed wire is... a tragic, discriminatory instrument of mass control that successfully goes hand in hand with violation of human rights and dehumanisation of society.

Barbed Wire. Wikipedia, Wikimedia Foundation, 18 Sept. 2019, en.wikipedia.org/wiki/Barbed_wire.

“A person or animal trying to pass through or over barbed wire will suffer discomfort and possibly injury. ... It is simple to construct and quick to erect, even by an unskilled person.”