What is a l rod?

An L rod is a type of divining rod traditionally used in dowsing to locate underground water, minerals, or other hidden substances. It typically consists of a Y-shaped or L-shaped piece of metal or wood, which the user holds loosely in their hands. As the user walks over an area, the rod is said to move or twitch in response to the presence of the sought-after substance. While many people believe in the effectiveness of L rods, scientific studies have generally found no evidence to support their efficacy.