All you have to do is raise one arm.
Raise one arm, and the crowd, the bungling, mindless crowd of plebians, goes wild.
That's all it takes in this mindless world. It's as if there is a puppet master guiding the people, one cold, stick-like arm to tug the fool sheeple into action. It is all a matter of tugging the heart strings.
With that power, you could take those heart strings, pull them out, move on. Move on to more venues. You could control a crowd, you could control a nation. It's all a matter of tugging at the heart strings.
You can control how they feel. You can control it by a simple mending of the words, or you could just take it by force. And going from that, it is so much simpler to go on. To take a world by storm. To be hailed as a messiah of the people.
It is all a matter of tugging at the heart strings.