What is the lockless door poem about?

There is no poem widely known as "The Lockless Door Poem." It's possible that the poem you're thinking of has a different title or is not very well-known.

Could you provide more information about the poem? For example:

* Do you remember any lines from the poem?

* What is the general theme or mood of the poem?

* Where did you encounter the poem (book, website, etc.)?

With more details, I might be able to help you identify the poem and understand its meaning.