cotton curtain
n.— «From behind the “cotton curtain” of the Mississippi Delta last week came Dr. Theodore R. (for Roosevelt) Mason Howard.…Rated as Mississippi’s “most hated” Negro leader because of his refusal to buckle under pressure applied by anti-desegregationists, Dr. Howard is described “as a man who lets the chips fall where they may.”» —“Dr. Howard Gives 3-Point Program To Alpha Confab” by George Daniels Chicago Defender (Illinois) Jan. 14, 1956. (source: Double-Tongued Dictionary)