My management tricks (which came from being managed) included calling for a 90 minute meeting if I needed 45 minutes, and bring snacks.
Oh and when someone finishes an all day job in half a day, let them goof off for the rest of the day.
But then I believed that whole happy workers are maximally productive workers thing that, well, every serious management study reports.
Wait, I remember this in Henry V, France sends Henry V of England tennis balls You don’t want to take back continental English soil. You want to play sports at home!
The gift was not well received.
I remember this bit when Putin gave Trump a football, a gesture that Trump did not fully understand.