Shane Warne once said that part of his job was to prove that spinners were attacking bowlers in all forms of the game. Even though he has retired, his legacy has been to give captain's more confidence in their spinners.
For Shane was right. Spinners exist to get wickets. What makes it interesting is that there are many different styles of spinner. Whether you captain spin or give the ball a tweak yourself, understanding your own style is crucial to success.