Sandwich Bag Flies?

Old Fashioned Pest Prevention: Water-filled ziplock bags - Visit Natural North Florida

How To Keep Flies Away Outside With Pennies & Bag Of Water

The Best Way to Keep Flies Away Revealed!

Seen while walking down the street. A ziplock bag tacked above a door. Seems to contain water and a few pennies. What could this be for? : r/whatisthisthing

Under Wraps

Old Lures Revisted, Page 4

How to Keep Pesky Flies Away From Your BBQ : 6 Steps - Instructables

Outdoor Fly Traps for Commercial & Domestic Use

Banish flies from your home with a couple of coins and a sandwich bag

Ziploc®, 3 Creative Snack Bag Ideas for Kids

Does a Zip-Lock Bag With Water and Pennies Get Rid of Flies?