“REVISITING AN OLD FRIEND: WHAT CONSTITUTES ‘A MATTER OF MUTUAL INTEREST’ IN RELATION TO A STRIKE? A TALE OF TWO RECENT CASES Pikitup (SOC) Ltd V SA Municipal Workers Union on Behalf of Members (2014) 35 ILJ 983 (LAC); And Vanachem Vanadium Products (Pty) ”. Obiter, vol. 36, no. 1, Apr. 2015, https://doi.org/10.17159/obiter.v36i1.11684.