Think of a holiday phrase and write it on your surface with a pencil. I chose "Be Merry"
Start hammering nails on the letters drawn about 1 centimeter apart.
Do this until all the letters are finished.
Erase pencil lines if you'd like.
Take your string and tie it around a nail. Wrap the string around a the different nails in one letter. Criss-cross the string, going from one nail to another until you are happy with your design.
Repeat until all of the letters are like this, and you're done!
- Base (wood, dry wall, etc.)