So you want to improve your BJJ skills? You need to practice holds, sweeps, and everything else regularly. Hanging out with smart trainers would also help your cause. This Jiu Jitsu Submission Dummy is simply designed to give you more practice. It is made of heavy duty military grade nylon material and designed to help you train guard, mount, north south, and other positions.
The dummy is about the height of a 6 foot man and weighs about 75 pounds. There is also a kids version available which is only 4.6″ foot. Not cheap but useful for BJJ students.