Street exercise machine "Arm torque" BS117 – feel like a butterfly. Butterfly, translated from English, means butterfly. And indeed, watching those who practice on this street exercise machine, you can notice the similarity with the flight of a butterfly. They flapped their wings, raised the levers – they took off, lifted themselves with the help of a lever mechanism, here is the feeling of flying. So we flew a little, and at the same time we trained the pectoral muscles, as well as the cardiovascular system. It must be present on the site with other street exercise machines.