Poland's First Lady Agata Kornhauser-Duda showed Donald Trump a thing or two about manners when she made a point of shaking hands with with Melania Trump before turning her attention to the American President.
Donald Trump seems to have meet his match in the 'handshake wars' if this recent encounter with the President of Tajikistan, Emomali Rahmon, is anything to go by.
Masonic Handshake? (13/02/17)
Is Donald Trump a Freemason?
I have to admit I don't know, but he's certainly got a really weird handshake - one which seems to terrify the Japanese prime minister Shinzo Abe who is clearly very relieved once Trump finally releases his grip.