When it and its protection glasses are worn, it temporarily increases the user's biomagnetic attraction. However, for every metallic object it attracts to the wearer, the biomagnetic attraction increases, causing danger over time. This is because at a certain point the wearer no longer has the strength to remove the coat and is crushed to death. It can be "discharged" by use of electricity. The reason it is in the Warehouse is because Volta could not control the coat's power.