Easy paper knife sheath

Not enough money to buy a sheath for your knife or just don't know where you can get on, just grab a sheet of paper, a pair of scissors, and very little of experience with origami.

Step 1: Materials

I am sure every body has these supplies,

- 1 sheet of paper
- 1 pair of scissors
And that's it.
Wait one more thing, but this is optinal
-some plastic