Tim Duncan and Patty Mills are very obviously good friends with better things to do than practice silly handshakes. Since Mills joined the Spurs in 2012, he and Duncan have shared a few special handshake moments, but no one could ever accuse them of over-rehearsing.
This is just a nice gentlemanly handshake from earlier this season. The Duncan head-nod really makes it work.
Here is Mills pretending to sprinkle something reasonable in Duncan’s hand last season.
Here are Mills and Duncan doing a weird thing a few years ago. Of course, that’s back when Tim Duncan was a young man. He obviously doesn’t have time for holding his hands out anymore.