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Another Reason for
Padlock Design In addition to rust protection, the small hole at the bottom of a padlock serves another important purpose. Sometimes, the padlock may get stuck or fail to open, even with the correct key or code. As such, the hole can be synthetically lubricated to help the padlock open.
Padlocks
aren’t the only ones that have been designed with secret or hidden features. Here are some other handy items that serve multiple purposes.
Screwdrivers as Keys
Knowing how to work on cars is a useful skill, especially with the increasing number of vehicles on the road. Yet, most mechanics agree that working on cars can be difficult due to the small spaces and crevices that need to be serviced. Fortunately, most screwdrivers can be slipped into a wrench to help reach these small spaces.
Color Swatches on Clothing
Clothing used to come with a color swatch. While some still do, depending on the quality and materials, few people know why. There are a few reasons. First, these swatches make it easy to match fabric or thread colors when clothing becomes torn or damaged. Additionally, these color swatches can be used to test how certain products, like laundry soap, will affect the color of the item. Essentially, these small swatches are a test piece of fabric that matches the outfit, so the buyer will know how to properly care for their clothing.
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