Have you ever wasted around 60 to 200 dollars on one pair of shoes? Now you don’t have to. Instead you can just make you own pair of shoes that you can wear around the house that don’t cost nearly as much. You’re even making a custom imprint of your own foot, giving you maximum comfort on your feet, while still giving you the same protection on you feet as normal shoes.
https://www.instructables.com/id/Home-Made-Sock-Shoes/
This is related to engineering because these are designed to let you walk with socks instead of shoes. These shoes will help you travel more if you like to roam around in bare feet.