Answer:
You can't keep this until you have given it. What is it?
What can be seen but not touched?
It's tough as nails, Or soft as snow. People use it for their rink, Some just put in their drink.
Of these everyone has ten, part of two wholes at the arms end. What are they?
Nothing specific, but more than a few. This many clustered, together will do.
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.