It is great fun to play with as well.
Since I don't chew, I had to get the containers the folks at my local rodeo.
You can see a video about how it works by clicking on the photo in step 12
Step 1: Items Needed.
A length of heavy cord, four wooden beads about half and inch or bigger in diameter, two screws about 1/2 to 5/8 inch long and a 1/4 inch dowel 7 or 8 inches long. You can cut it off later.
I forgot to put it in the photo, but you will also need a chunk of wood 3/4 inch thick and just a bit larger then the cans.
Step 2: Drawing the Counter Balance.
Place the can on the chunk of wood and trace around it.
Step 3: Cutting Out the Counterbalance.
Cut out the circle of wood.
It will look like a miniature hockey puck.
Step 4: Sanding
Step 5: Finding the Center.
I know there are a gazillion ways to find the center of a circle,
but the easiest way I have found is to trace the wooden circle and cut it out.
then just fold into quarter and open it up and there it is.
Step 6: Drill a Hole.
Place a very small amount of wood glue on the end of the dowel and drive it into the wood with a hammer.
This has to be snug because this will take a lot of g-force.
Step 7: Assembeling the Base.
Step 8: The Lid Detail
Using your template and an awl or center punch mark the center of the lid then drill a hole just a bit larger then the dowel.
Then put the lid over the dowel and slide it down onto the can.
Step 9: Working the Beads
The fourth bead make the hole the same size as the dowel.
Step 10: Preparing the Upper Can.
Then mark another spot perpendicular to the line on the side of the can.
Then using a drill bit the next size or two larger then the dowel drill holes in the can that are opposite each other.
Then drill a smaller hole 3/32 or 1/8 inch in the side of the can.
Use a sharp knife to clean out the hole inside the can.
Step 11: Asselbly
Place the three beads with the larger holes over the dowel. Be sure they are loose and the dowel turns freely.
Place the can over the dowel and then mark the center area then remove the can and drill a very small hole in the dowel at that point.
Replace the can.
Put a small amount of wood glue inside the bead with the smaller hole in it and put in over the end of the dowel and slide it down so it is just above the can but not touching it. The lower can and dowel must turn freely in the upper can.
Let it set for a few minutes for the glue to set then cut off the end of the dowel and sand it down so it is smooth.
I used some 50 pound test monofilament line as a threading tool and threaded the cord through the side hole in the can and then through the dowel.
Tie a knot in the cord and pull it up tight against the dowel.
Go out 12 to 15 inches on the cord and tie another bead at that point and trim off the excess cord.
Holding the upper can twist the bottom can so the cord is wrapped completely around the dowel.
Place the lid of the upper can on the can.