The machine doesn't seem to be working!

Hint 1 of 11:

Have you used it as described in the previous question?

Hint 2 of 11:

Then you'll need to find a way to take the clothes pin that's stopping up
the hose.

Hint 3 of 11:

So that means you need to find a way to get up to the shelf where the
clothes pin is.

Hint 4 of 11:

Did you notice the trashcan just next to Vivalzart?

Hint 5 of 11:

There's a lid that would flip up if you could just find some trash.

Hint 6 of 11:

How about a bone?