Few know: what is the function of the padlock hole?

At first glance, the small hole that usually appears at the bottom of many padlocks may seem like a simple aesthetic or design detail. However, behind this tiny opening is hidden a key function that very few know. According to specialists in useful data and curiosities, this small detail is fundamental to ensure the proper functioning and durability of the padlock. One of the main functions of the hole is to act as drainage. When a padlock is ex…