Question

Guess me : I am a curved, sometimes I am straight. I come in different shapes and sizes. You can fit me anywhere........ I am a curved, sometimes I am straight. I come in different shapes and sizes. You can fit me anywhere, but in the end, there is only one right place for me.

Answer 1

A key.

Part of the key is curved and part of it is straight. It comes in different shape and in the end it's just one lock on which it can be operated.

Hope I helped you! :)

Answer 2

the answer is A KEY........................................