South African great Bobby Locke was a huge influence on the young Gary Player. There were many oddities about Locke, but one that you still read about is how he hooked every shot - including, some say, his putts! Here's a video clip in which Player demonstrates Locke's unusual putting technique:
Locke is considered by some the greatest putter of all-time, by the way, and is on every expert's list of the handful of greatest.
But question: Does what Player demonstrates look like a hooked putt to you? Looks more like a intentional pull to me.