Fly Deterrent - cooking recipe

Ingredients

6 vinegar, pennies
1 ziploc bag
1 -2 cup water, to 1/2 fill the bag

Preparation

Fill the bag 1/2 way with water.
Put three pennies in each corner.
Close the bag and make a hole in the middle up past the ziplock.
Put string or fishing line in the hole and then hang it up.
It may take a day to notice the difference.