Novak Djokovic violin celebration explained: The reason behind star's Wimbledon gesture
![Novak Djokovic violin celebration explained: The reason behind star's Wimbledon gesture](https://i2-prod.mirror.co.uk/sport/tennis/article33235423.ece/ALTERNATES/s615/0_GettyImages-2161814499.jpg)
Novak Djokovic has been celebrating his victories at Wimbledon by pretending to play a violin with his tennis racket, sometimes to the annoyance of the Centre Court crowd