A strange silken creature Chasing a storm With a key on its tail And one metal horn

I can ride rough over terrain Or, I can sound rough, just trying to say your name.

A speck in the ocean A tiny spot in the sea If I get shipwrecked here You’d probably never find me.

I can be a tough one to crack. You need tools to open me. No tools? You can always throw me against a wall, not? -just kidding, forget the wall-

Push or pull. It may not matter, but sometimes it does. Or it can go both ways, just because. Or it could slide sideways opening your path. Are there more of these than wheels? I had to ask.