DURING the 2019 State of the Nation Address (SONA) of President Rodrigo Duterte, he mentioned the concept of traditional fishing rights (TFRs). What is it? Is respecting the TFRs of foreigners in waters within the reaches of our sovereignty and sovereign rights compatible with the Constitution? And would this non-State-centric concept be a helpful tool in forging a cooperative relationship among the South China Sea (SCS) disputants?