R & F - Heated Tip - Horn - R and F heated tool tips can be used to both fuse and manipulate the surface of your work. You can scribe, carve, burnish, blend, or model the wax with them. The R and F Heated Horn Tip is pointed for scribing. Its curved side is great for adding texture to the surface. The marks it makes are similar to those on the ancient Fayum portraits. You must have a handle and temperature regulator to use this product.