John gave his brother James a box:
About it there were many locks.
James woke and said it gave him pain;
So gave it back to John again.
The box was not with lid supplied
Yet caused two lids to open wide:
And all these locks had never a key
What kind of box, then, could it be?
Please do not give the answer in the comments. Just say whether you solved the puzzle or not.
Puzzle from Mycoted.
Photo from Wikipedia.