Spikes are great for use in a variety of projects: Punk apparel, Motorembellishment, Couture apparel, Fashion apparel and other DIY projects.Suitable for: Leather Bracelets, Dog collars, Bags, Clothes, Shoes, Belts, Hats, etc.These Spikes can be applied to most materials like leather and denim, By fastening the spike to the screw.