If the palm reader is able to hook a client with the presentation the client is more likely to buy into the reading. The same is true for presentations in general, so if you are not going to put on a show you better at least be psychic.
In honor of the Kentucky Derby, a guide for dressing for the occasion (created by the guys at the art of manliness)
“The hook” is the first 30 critical seconds of your presentation.
In that short time you will establish the relationship with your audience and (hopefully) give them a reason keep listening