Trolley Bitch

thingiverse

This clever gadget revolves around the iconic Australian dollar coin. To use it, simply drop the coin into your shopping cart and give it a quick twist. Your dog will be right there waiting for you - no need to worry about taking the trolley back to its stand. The store staff will likely think you're a very responsible pet owner, keeping your furry friend by your side as you shop. This handy device can even attach to your keychain, making it easy to take on the go.