Boiled, treated and spray painted the skull. Torched the wood, varnished it and wiped the varnish off with paper towel right after. Screwed boards together and screwed the skull to the board from the back using 2 long screws.
How to whiten the bone of a cow skull. We whitened this skull after it had been submerged in a pond for about a year. We used common ingredients and tools combined with the warmth of the sun to impressively whiten the bone of the skull.