What is a makeshift lock?

1. Makeshift should mean simple, basic or primitive! What does it mean “created in an emergency out of whatever materials are to hand”? Assuming you’re an Indian, take off your white shirt and tie it to a pole to create a makeshift flag of surrender.

2. What are locks? What you see on the picture is a latch, specifically a ‘hook and eye’ latch.

What can I learn from this story?