Nishi Hammer Throw Glove | Throws ProNishi Hammer Throw Glove Imported from Japan Flexible Fit Individual Fingers Crafted from soft, flexible leather and durable nylon, this strap ensures a strong, consistent connection between athlete and hammer. Imported from Japans leading hammer brand, Nishi, trusted by the worlds top throwers. Nishi Hammer Throw Gloves Standard vs. Soft Both Nishi hammer gloves are designed for flexibility, comfort, and feel. The main difference is the thickness and