cartopener
nounUK /ˈkɑːtˌəʊpənə/
US /ˈkɑːrtˌoʊpənər/
A cartopener is a tool that helps you open a cart.
He used a cartopener to pop the lid off the cart.
OTHER MEANINGS
2. A person whose job is to open carts for others.
The cartopener at the market helped every customer.
3. A small device attached to a shopping cart for opening packages.
She grabbed the cartopener on the handle to cut the tape.
4. A software tool that unpacks cart files.
The cartopener extracted all the files in seconds.