A door opening system includes a trailer that has a door and the door has a door handle. A tool is provided and the tool may be manipulated. The tool has a striking surface to strike an object when the tool is swung at the object. The tool has a gripper and the gripper engages the door handle thereby facilitating the door handle to be manipulated. The gripper has a functional width of at least thirty two mm. The tool has a first hook to engage a device thereby facilitating the device to be remotely manipulated. The tool has a tapered end to engage a ratchet thereby facilitating the tool to rotate the ratchet.