Top ten 'bang for the buck' writing emplements

1. #1 Pencil
2. Shit on a cell wall, although this is normally for painting.
3. A razor blade on warm flesh.
4. Urine on snow.
5. Laser beam on thin skinned metal.
6. Ice cube in mouth on bone.
7. Sand on tile.
8. Blue bird with pouch attached.
9. Finger paints and linen.
10. Biscuits.