Mail the HC the Ace of diamonds playing card by itself in an envelope (no return address-no nothing else).
Following week: mail him the Ace of clubs.
Following week: mail him the Ace of hearts.
Following week: visit his office (in person) and tell his secretary (when she asks who you are) the the Ace of Spades is here to see him.
Guarantee it will get you a workout (assuming you aren't 5'6" 150lb RH puss thrower )!