Why do you clap your hands at the shrine?

Question:
Why do you clap your hands at the shrine?
Answer:
Because we try to draw the attention of deities. Shinto deities are mobile.
Some people say that people try to activate the power of deities by clapping their hands.
Clapping hands at the shrine is called "Kashiwade".
Pic: http://wadaphoto.jp/maturi/maturi017.htm