This is originally pair with my other work – ak7 shou3
ak7 shou3 is talking about the exchange the contact point as hand shaking.
goosebump is talking about my imagination of being stroked by someone.

Firstly, electricity passer-by feeling as the high pitch motor sound. After a while, a gentle bass sound could be heard. It is like receiving a warm temperature from others.
Somehow, they are harmony and relative to each other.