Hi I’m Constantin Colberg from COLBERG FITNESS Beijing and today I’ll show you a great tool to make your fat loss journey more fun! This is called the Bulgarian bag in Chinese it’s called the Crossaint, not dumpling. We can use it do train our specific muscles such as the core or the thighs. We can also do more intense exercises which really make the heart pumping fast and give our metabolism a boost! You can use it to strengthen your core muscles as well as your ability to balance. Let’s start to get in shape!