What am I?

I enclose you in darkness but allow you to see many things. If you resist me, you're likely to get rings. What am I?

related riddles

I reach for the sky, but clutch to the ground; sometimes I leave, but I am always around. What am I?

When i die, people think i am alive. When i alive, people think i am die. Guess who i am?

I can be cracked, made, told, and played. What am I?