Ever wondered what the little hole on a pen cap lid is for? Maybe it’s there so that excess ink can get out when it needs to. Or maybe it’s so that the pen itself doesn’t explode. Well, it turns out that neither of those things is the reason. Apparently, it’s there for your own safety!
Yup, since chewing on pen caps seems to be part of human nature, the little hole in the cap is there to prevent you from choking should you accidentally swallow the cap. Who knew something so small could be so important? The pen really is mightier than the sword.
Aquapaw Dog Bath Brush - $4 million
Have you ever tried bathing a dog? Yes, where most breeds are concerned, it is a pretty big challenge. Unless they are well trained, it can be a bit of a nightmare. Those who have tried it and lived to tell the tale will be very happy to learn about this little gizmo.
Canine lovers will know the perils that come with trying to wash your four-legged friend. Aquapaw founders Tom Zipprian and Daniel Lentz showed off their dog-washing glove on season 10 of "Shark Tank." The grooming gadget has gone on to be a successful product for the pair!
EverlyWell Food Sensitivity Test - $300 million
IBS sufferers rejoice! Gone are the days of exclusion diets, dealing with bloating, and feeling unwell after every meal. So many people around the world suffer from Irritable Bowel Syndrome. And these two knew exactly the plight that so many of us have had to deal with.
So Julia Cheeks invented this at-home food sensitivity test so you can figure out what foods to avoid from the comfort of your own home. Isn't that just absolutely genius? This is one of the most successful "Shark Tank" products in the show's history, which means Lori Greiner's $1 million investment certainly paid off!
Boy, what did we do back in the day when we were stuck in the middle of nowhere and it was already pitch black? Did we just have to rub two sticks together and make some fire every time we couldn't see? Thankfully, someone invented the flashlight. The first version of the flashlight that we know and depend on today was invented all the way back in 1899.
The portable light source has evolved since then and the LED version was introduced in the 2000s. Flashlights are the unsung hero of any household. Whether you're exploring the outdoors or experiencing a power cut, flashlights have been helping us see the light for decades.
The Original Comfy Oversized Wearable Sherpa Blanket - $ 250 million
This incredible product combines a warm sherpa blanket with a wearable oversized hoodie. Pair it up with a cup of hot cocoa and you get a cozy person's dream. The Orignal Comfy lets you wear your blanket all day long! And let's face it - isn't that what we are all looking for during the colder parts of the year?
Barbara Corcoran invested in the blanket hybrid without hesitation on "Shark Tank." Well, the decision landed her in an extremely comfortable situation seeing how popular the product became! This blanket has raked in more than $250 million since it became a thing in the world.