possible vibration technique

[Karxx Gxx]

i was reasing Empowerment i think on qigong, a good book.
anyways i came across a step and it could be used to know the flow of vibrations.

Stand up, lift your heels up, then drop them down with gravity alone. This will send a vibration thorugh your body.

You can mabey even hit your head with your hand or a book, not too hard  , and feel the vibratoin flow from the top. anyways yea, there you go