I'll show toy how to make a simple knife out of things you can find around the house.
Step 1: Step 1
2 paper clips
Razor blade(found in most box cutters)
Step 2: Step 2
take one of the paper clips and put it though one of the holes in the razor blade.
Step 3: Step 3
Use the duct tape and thape where you put the paper clip.
Step 4: Step 4
Take the second paper clip and tape it to the other paper clip, contiue wraping till its secure.
Step 5: Step 5
Keep wraping with the duct tape untl it's thick and secure secure as shown on bottom.
Step 6: Step 6
Use some of the left over duct tape and make a sheath
Step 7: Step 7
you now have a cool mini knife.!!!
Step 8: Step 8
your knife is know done and you know have a cool knife thats tiny enough to fit in your pocket.(I'm not responcible for what you will do with your knife)