It's well known that Donald Trump, a germaphobe, doesn't like shaking hands. Less well known is that when forced to shake hands, Trump has a very specific technique, one that various handshake websites refer to as "the pull in." Once Trump latches onto your hand, he will vigorously -- here's where the name comes in -- pull you in close to his body, as if your arm is the rope in a game of tug-of-war. Presumably some type of power-executive move Trump uses to demonstrate dominance over his handshaking partners, the pull-in is Trump's go-to handshake, regardless of whose hand he's shaking.http://nymag.com/daily/intelligencer/2012/02/romney-trump-handshake.html
Only a moron would think shaking hands with thousands of people would be a wise thing to do all the time.
I keep my right thumb nail sharp and long stops that chit in its tracks