This hands-on video breaks down the fundamentals of endovascular balloons, including how to identify the differences between rapid exchange (RX)/ monorail (MR) and over-the-wire (OTW) systems, key terminology used in the lab, and proper balloon preparation techniques. Ideal for new reps or anyone entering the cardiovascular space, this video offers practical, real-world guidance to build confidence and understanding in device handling and procedural flow.