Answer:
Walk on the living, they don’t even mumble, Walk on the dead, they mutter and grumble. What are they?
He has one and a person has two. A citizen has three. And a human being has four. A personality has five. And an inhabitant of earth has six.
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
In the evening I'm long, in the morning I'm small; When seen in a ballroom, I'm nothing at all.
What sphinxes employ and players enjoy.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?