The Blurple balisong trainer is a sleek and stylish knife with a black blade and a handle that combines shades of blue and purple. The Glidr Original 4 Balisong trainer is a top-notch flipping trainer that has been enhanced with some fantastic design updates. By fine-tuning the shape and dimensions, the Original 4 now offers improved ergonomics, balance, and grip. The handles have been upgraded with a superior finish, giving them a high-quality look and feel. The blade is crafted from hardened 440C stainless steel, making it durable and reliable. With a heavier blade, more recessed stop pins, and custom bushings on the pivots, this knife offers faster, smoother, and more reliable flipping action.