How to apply a waterslide decal to a guitar

I recently put one of these waterslide Fender decals on one of my guitars, which is basically an easy job that does not take very long. However, I remembered that I heard of even a luthier who got big problems with it. The mistake he made was that he left the decal too long in the water. If the decal loosens from the paper and swims around in the water, […]