how to attach christmas lights to the roof

It's quite simple. First, you need to find the right set of lights that match the style of your house. Then, you need to measure the length of the lights and mark where they should go on the roof. Then, you need to attach the lights to the roof using clips or nails, making sure to secure them tightly. Finally, you need to plug in the lights and test them to make sure they're working properly.