Cut a piece just big enough to cover the wart, stick it on firmly and leave for a week.

Cut a piece of foil twice as long as the fish and wide enough to wrap around it 1½ times.

Cut a piece of foil or baking parchment about three times the width of the trout fillets in both directions.

Cut a piece of duct tape slightly bigger than the wart and stick it on.

Cut a piece of elastic long enough to fit round the waist comfortably.