Answer:
It can be done to buttons and shopping carts. What is it?
Pointing North, South, East, and West it saves the lost and helps the rest. What is it?
Nothing specific, but more than a few. This many clustered, together will do.
Brings celebrities into your home every night.
A tasty reward given to well behaved dogs and kids
A mysterious, fantastic creature, It has one defining feature, And for humans at their worst, In their eyes it's just a horse