The Hidden Reason Salt Shakers Have Grooves on the Bottom Salt shakers are ubiquitous in kitchens around the world, holding the seasoning that brings out flavors in our meals.
We rarely give them a second glance, but their design is more complex than it initially appears. A closer look reveals that those tiny ridges on the bottom of the container serve multiple purposes.
The Evolution of Design Salt shakers have remained largely unchanged for decades until manufacturers started paying attention to details.