If you've ever tried to grill a piece of fish before, then you'll know just how difficult it is to flip them without tearing. Oiling the grates helps, but it doesn't always fix the problem. One way around it is to grill your fish directly on a bed of lemon slices. It'll infuse it with a subtle citrusy flavor and prevent it from sticking — a win-win.
More: How to grill fish on a bed of lemon slices.