food cans with the lids safely removed, string.
Using a hammer
and nail, punch a hole into the bottom of the two tin cans. Tie a large
knot in one end of the string and feed it through the bottom of both cans.
Tie a knot in the other end. Pull the string tight between the two cans.
Talk into one end, put the other next to your ear and Presto! your own personal