(3) One character steps on the sore foot of another character, causing the latter to jump with pain.
(4) The spectacle of a man laden with many large bundles.
(5) A man or a woman starts to lean his or her elbow on a table or the arm of a chair, the elbow slipping off abruptly and suddenly precipitating him or her forward.
(6) One character imitating the walk of another character, who is walking in front of him and cannot see him.
(7) A man consuming a drink of considerable size at one quick gulp.
(8) A character who, on entering an "interior" or room scene, stumbles over a rug. If the character in point be of the "dignified" sort, the power of this laugh provoker is doubled.
(9) Intoxication in almost any form. [1]
[1] Intoxication, however, must never be revolting. To be welcomed, it must always be funny; in rare instances, it may be pathetic.
(10) Two men in heated conversation. One starts to leave. Suddenly, as if fearing the other will kick him while his back is turned, this man bends his body inward (as if he actually had been kicked) and sidles off.
(11) A man who, in trying to light his cigar or cigarette, strikes match after match in an attempt to keep one lighted. If the man throws each useless match vigorously to the floor with a muttered note of vexation the laughter will increase.