Goal: How can you  spread butter if it is cool or too hard to spread?

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- Use a cheese grater to shave some of it off and pour shreds like you would cheese.
- Use a razor to shave some of it off and pour shreds like you would cheese.
Use a cheese grater to shave some of it off and pour shreds like you would cheese.