![Checked into my cabin and this bag of liquid with two pennies is tacked up on the door jamb outside. What is this thing? : r/whatisthisthing Checked into my cabin and this bag of liquid with two pennies is tacked up on the door jamb outside. What is this thing? : r/whatisthisthing](https://i.redd.it/a6wiu37ajscz.jpg)
Checked into my cabin and this bag of liquid with two pennies is tacked up on the door jamb outside. What is this thing? : r/whatisthisthing
Backyard Diva - Flies bugging you? Fly repellent - 5 pennies in a bag of water hung near doorways or porches (wherever you want to repel flies). It works. I don't know
![He Put 4 Pennies In A Plastic Bag Then Hung It Up. This Will Change My Summers Forever! | LittleThings.com He Put 4 Pennies In A Plastic Bag Then Hung It Up. This Will Change My Summers Forever! | LittleThings.com](https://images.ctfassets.net/f60q1anpxzid/asset-1253baee82d6462b5cfceb499062b595/a84ac244477e6ec3c9e6a21dc47d9b32/Pennies-in-Bag1.jpg?fm=jpg&fl=progressive&q=50&w=1200&h=675&fit=fill)
He Put 4 Pennies In A Plastic Bag Then Hung It Up. This Will Change My Summers Forever! | LittleThings.com
![Mums are hanging bags of water and coins on their windows to ward off flies & swear they haven't had a single one since – The Sun | The Sun Mums are hanging bags of water and coins on their windows to ward off flies & swear they haven't had a single one since – The Sun | The Sun](https://www.thesun.co.uk/wp-content/uploads/2019/05/NINTCHDBPICT000492071103.jpg?strip=all&w=450)