Develop a novel woodworking project that incorporates traditional techniques from at least three different cultures to create a unique and valuable item using the quality wood you’ve collected around your house. Detail the step-by-step instructions for crafting this piece, highlighting the cultural influences and the specific techniques used. Offer guidance on how to draft an engaging promotion for the item, as well as effective strategies for sharing the work on social media channels to reach a global audience. Be sure to exclude any AI-related solutions in your response.