Do you like playing tricks on your chief on April Fool's day? If yes, I would like to give you an idea what you can do for this holiday!
Recently, when I came in a shop of funny things, I saw a cool pen! It makes terrible blots on paper when you begin to write with it, but fortunately these blots disappear in some time, so all important documents will be ok!
The trick is arising itself, am I right ;)! Offer this pen to your chief when he is on the point of writing down something or to sign some important document!