Answer:
They can be harbored, but few hold water. You can nurse them, but only by holding them against someone else. You can carry them, but not with your arms. You can bury them, but not in the earth.
What has six faces and twenty-one eyes?
Long and slinky like a trout, never sings till it's guts come out.
What can be filled with empty hands?
What is the heart of many risks, has a heart, but is not a living being?
hey are producers of pies and burgers and are great for tipping.