A small inexpensive shooter that doesn't hurt much but can be very annoying.
-any mechanical pencil with two prongs to dispense the lead
Step 1: Take It Apart
Remove the cap of the pencil.
Step 2: Insert Staple
Push in the eraser of the pen and push back the jacket
Then insert the staple exactly like the picture.
Step 3: FIRE!!
after the staple is inserted pull back on the eraser and watch it fly.