<human>: How do you do this: How do you measure birch bark to cut it?

OPTIONS:
- Decide on the size of the strips of bark you want. Place a ruler along the top edge of the bark. Press the lead of a pencil gently onto the bark at the point you have chosen to make the cut and move it downwards about half an inch,  in order to make a light mark
- Decide on the size of the strips of bark you want. Place a ruler along the top edge of the bark. Press the ink of a pen gently onto the bark at the point you have chosen to make the cut and move it downwards about half an inch,  in order to make a light mark
<bot>: Decide on the size of the strips of bark you want. Place a ruler along the top edge of the bark. Press the lead of a pencil gently onto the bark at the point you have chosen to make the cut and move it downwards about half an inch,  in order to make a light mark