Answer:
I always follow my brother but you cannot see me, only him. You cannot hear him but you can hear me. What are we?
I am the tool, for inspiring many. Buy me in the store, for not much more than a penny. Don't overuse me, or my usefulness will go.
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
Describes a mysterious region and a stylish pair of shorts.
A house with two occupants, sometimes one, rarely three. Break the walls, eat the boarders, then throw away me.
What covers its face with its hands, speaks no language, yet most known what it's saying?