Answer:
I dance on one feet and knows only one shape. Someone with same name as me is very good with directions
I am the second L in LOL.
Ten men's strength, ten men's length. Ten men can't break me, yet a young boy walks off with me. What am I?
I am an object which is used in baseball. During the day I can't be seen at all. What am I?
Use me if you really want to see inside someone
What sphinxes employ and players enjoy.