In Hapkido this is done through a visualisation of energy from the core ( two inches below the navel ) upward through the body .
In Hapkido this is projected outward with a Ki - Yap ( harmonising shout ) .
In Hapkido this is done through a visualisation of energy from the core ( two inches below the navel ) upward through the body and projected outward with a Ki - Yap ( harmonising shout ) .