Speed bags and double-ended bags are rhythmic, even though they move you will always hit them in a predictable spot at a predictable time. Jukestir moves unpredictably like a real person which means you never know what you'll do next. Making decisions about where and when to strike are the most critical component of competition. In addition, Jukestir provides more footwork. Lastly, you can punch, kick, clinch and knee the Jukestir. More striking choices makes it even more realistic.