The Grip, flick, wrist and release (C) Dave Thompson.
There's some pretty contentious stuff in this section with regards the Back-spinning variants that are possible between the 'Perpendicular spinning Leg Break' and the 'Back Spinning Slider' this is Wrist Spinnings rarely explored 'Dark Side' being unearthed. If you read about this elsewhere remember that you heard it here first! Because this is work in progress, destined for the main Leg Spin blog, this version lacks the images and only really serves as an update for potential discussion on the big cricket forum before finally being committed to the other blog.
See newer update above