A lighter made from a matchbox that allows you to strike a match using only one's thumb.
Step 1: Gather Your Parts and Plans.
and detailed plans.
Step 2: First Cut.
Cut out that area.
Discard the inner box.
Step 3: Second Cut.
Cut this out and we'll call it "part 1."
Step 4: Third Cut.
But leave a gap the size of a match-head between the two parts,(SEE PHOTOGRAPH).
(The two parts when put together should be the size of the inner box.)
Step 5: Drill Hole.
Step 6: Glue Things On.
Glue some sand-paper on the back of part 2, to give your thumb some purchase and for aesthetics. (NOT ALL THE WAY ALONG,AS SHOWN; just the last third.)
Step 7: Glue in Part 1.
Glue part 1 in the matchbox.
Step 8: Assemble.
Hold matchbox as shown until some one asks you for a light.
Push thumb forward until it lights.
Rotate wrist until flame is upright.
Remove match and re-load.
Await the the unlikely event of someone else asking you for a light.