I was checking the Kickstarter project about hats, which are made from old coffee grounds.
I love coffee and hats. So I have to support this project. (You should check out)
Then I asked myself, what else can you use old coffee grounds? Because I make my drip coffee almost every day and throw away my used coffee grounds to trash. Honestly, every time I tossed them, I felt, “these guys are important :).”
I found tens of different ways to use them. Check this article if you interested in