When emailing a tattoo artist, you need to be polite, professional, and concise. Begin by introducing yourself and mentioning where you discovered their work. Then, outline your tattoo idea, discussing the design, size, color, body placement, and any symbolic meaning. Attach or link to any reference images you have. Ask about their availability, cost estimate, booking process, deposit, and cancellation policy. End the email by expressing gratitude for their time and considerati