During the [[World War I|Great War]], loose coils of barbed wire were widely used in [[trench warfare]] as they ensnared the heavy serge fabric of soldier's [[uniform]]s and thus prevented them freely advancing on [[enemy]] lines. | During the [[World War I|Great War]], loose coils of barbed wire were widely used in [[trench warfare]] as they ensnared the heavy serge fabric of soldier's [[uniform]]s and thus prevented them freely advancing on [[enemy]] lines. |