The old guy using an old technique to find a water main!

The video likely performed well due to its "old school" or "trick" nature, appealing to curiosity about traditional or unconventional methods for a common problem like finding underground utilities. The visual of the dowsing rods moving is inherently intriguing.

The video shows a man using dowsing rods to attempt to locate a water main. He walks around with the rods, which appear to move, suggesting a potential location. The caption indicates this is an old technique for leak detection.