A v-cap edging is one way of finishing off a tile countertop to give it a more streamlined look. These days a lot of people are using v-cap edging to complete their beautiful tile installation projects. This type of edging will put the perfect finishing touch on your new tiling to give it a professional aesthetic that nothing else can accomplish quite so effectively. You will need to use an adhesive on the legs of the corner piece, which can be done very quickly and easily.