Oyster shucker Anthony Wing took cleanest plate in international competition last year in Prince Edward Island, but wasn’t fast enough to win it all.The Sarnia man, nicknamed the Oystertaker years ago by a Toronto restaurant server, returns to the same Charlottetown Raspberry Point International Oyster Shucking Championship Saturday, hoping for more hardware.“With any individual sport, you’re always looking for slight adjustments to your technique,” said the university-e