THREE RHYMING RIDDLES

1)
You use me nearly every day,
Yet when you see me, you say, "Which way?"

2)
Hundreds of threads, together they nestle,
To form the leash of a water-dwelling vessel.

3)
Flat as a pancake, smooth and opaque;
Reflects like a mirror, but difficult to break.

Answers:

1. Fork
2. Rope
3. C.D.