Clean the octopus by removing the eyes, mouth area, viscera and ink sac (or have your seafood supplier do this for you). Rinse the octopus well, rub thoroughly with the salt, then rinse again. Bring a large saucepan of water to a boil, immerse the octopus in the boiling water and simmer until it begins to curl, about 3 minutes. Remove from the heat and drain well. Slice