Backbone Silk Necktie, Skeletie Spine Tie Cyberoptix $ 45.00 Default Title - $ 45.00 Quantity This product is currently sold out. Backbone Silk Necktie, Skeletie Spine Tie. Show your backbone at important events necessitating a tie. An elegant take on the kitchy and campy Halloween shirt. For grown-up goths, osteopaths, chiropractors, and more! Original illustration.