This article explores the role of handlers, or throwers, in vertical stack formations commonly used in Ultimate Frisbee. Handlers are typically positioned at the bottom of the stack, and their primary role is to move the disc and create space. The handler is responsible for progressing the disc up the field, creating opportunities for their teammates to make cuts, and taking advantage of any defenses thrown at them. The handler must also act as a facilitator, recognizing what their teammates are doing and adjusting accordingly. The article provides an in-depth look at the skills and techniques used by handlers in different situations, which will help them become more confident and successful players.