Question

I am curved but sometimes straight come in all shapes and sizes can fit anywhere who am I

Answer 1

It is key :)

It is round round,gol matol and straight like a jalebi and can be big like an elephant and can be small like a chooha :P

You can fit it anywhere but it has only a right place.THE LOCK!!

Cheers mate
Found my answer brilliant?Mark it the brainyest :D
Regards

Answer 2

The answer is key . 
answer = key