Coffee Capsule Opener

This is a useful tool to open and recycle coffe capsules. Of course you need to buy a ceramic blade. Iron or steel blades rust in a few hours. I use Slice 10532 that you can buy for instance here:
https://www.conrad.com/en/p/slice-10532-ceramic-spare-blades-multi-purpose-blade-doll-shaped-4-pc-s-3208340.html?srsltid=AfmBOor_M0jkZNLa9bUZwnz7QFhpyG81iWxn65t6oNmOn-5swDE0-MZ6
I pasted it with hot glue.