The Multitrainer Laubr multi-purpose booster with high effects and easy handling Multitrainer Laubr is a multi-purpose booster that works on the principle of strengthening due to its own weight. Are you longing for a really sophisticated and simple way to strengthen and strengthen your body? Try the Laubr system. It consists of straps that can be easily attached to the door. Their ends have soft grips for hands and feet, which you will greatly appreciate after a long workout. A simple but very effective body weight training system has quickly become a popular type of training for all types of users. This was mainly due to its high efficiency and low initial costs. After simple installation, the Multitrainer makes it possible to strengthen the muscles of the whole body extremely effectively. Those who tried it were very surprised by the efficiency and simplicity of the system. high efficiency minimal size low initial costs natural movement popular with many users quick installation easy handling use at home, in nature, on vacation