Clock face with minutes for explaining Drift and Spin

This is to be used in conjunction with illustrating descriptions of seam presentation when explaining Spin Bowling. The assumption/premise is that the pitch runs top to bottom so the ball is bowled from the 30' minute end up to the 60' end. The clockface and the inclusion and use of the minutes enables discussion whereby we explain that the seam and direction of the spinning ball is angled towards 52' as in the case of a 'Classic' Leg Break delivery.

Update - have a look at this post here - and the previous one as there's a load of new illustrations that are helpful with regards to explaining how spin bowling works and it's characteristics.
http://www.mpafirsteleven.blogspot.co.uk/2014/12/wrist-spin-bowling-top-spinner.html