Step 12: You Have a Knife!
Here's how to make a paper sheath so you can carry it safely in your pocket.
That was quick!
It took less than an hour according to my photo EXIF timestamps in spite of interruptions such as rain and repeatedly hitting my camera with a hammer (canon s30 "E18 error").
Use your knife safely!
As my Granddad used to say, "Don't cut toward yourself and you'll never get cut!"