We think we know everything about the objects around us, but we don’t always. Often, commonly used products hide small details that can make a difference. This is the case with padlocks which, used in a variety of situations, from the closing of lockers to the protection of bicycles or freight containers, can present particular details, like the tiny hole at the bottom of a padlock.
Q&A: What is the tiny hole in a padlock for and 3 more curious facts!
Leave a reply