How do i do this magic trick?

Question

one day my mom said there was a ghost in our house.she said give me your hands.she put my hands on her knees rubb them with her knees then some how she touchd my elbow.i said how did you do that she said magic

Answer 1

Press your finger all the way to the back of your belly-button and find out what other part of your body is connected to those same nerves.