From clothing made from milk to selfie toasters, these are the products that had us doing a double take.

Ever since Mental Floss debuted in 2001, we’ve been keen on covering some of the biggest, boldest, and best inventions from the brightest minds out there. We’ve seen the rise of iPhones, digital currency, and self-driving cars.

We’ve also seen the 20 ideas below, which may not have changed the world but nonetheless piqued our curiosity. Take a look at 20 inventions that deserve recognition for being both innovative and extremely weird.

1. SLUGBOT

Slugs destroying your garden? This artificial intelligence from the California Institute of Technology debuted in 2001 and promised to crawl over soil looking for slugs using a light. When it spotted one, it would pick up the invader and store it. Bacteria inside Slugbot “digested” the slugs, which would then be used as an organic power source for the machine. Yes, it runs on slugs. The British government is funding a new Slugbot prototype they plan to test in 2021.

2. MILK CLOTHING

Have you ever looked at a glass of milk and wondered how many T-shirts you could make from it? German fashion designer Anke Domaske did. In 2011, she unveiled a fabric called QMilch, which was made from the casein protein found in milk. (Other milk-based fabrics used chemicals.) The dried milk powder is heated and comes out in yard strands. One dress used about six liters of milk. Start-up company Mi Terro also introducedmilk clothing in 2019. […]

8. THE NECOMIMI

More: 20 of the Weirdest Inventions From the Past 20 Years