Leander is from Abidos in Asia; Hero is from Sestos in Europe: "and their townes that like Yarmouth and Leystoffe were still at wrig wrag, & suckt fro[m] their mothers teates serpentine hatred one against each other" (3.195).
Wrig" I continue to suffer weird explosions of baffled laughter at the very existence of This thing - certainly not at any identifiable scripted line or action.