Earlier quoted context omitted.
I have always wondered why we have not had a repeat of the underarm delivery [1], but just done by bowling overarm very, very slowly. As far as I know there is no rule in how fast the ball has to be bowled and if you bowled very slowly the ball would reach the batsman rolling along the ground. 1. For those that don't know the history of the underarm delivery, in a match between Australia and New Zealand the final bal…
A very slow ball with no spin is very easy to hit for six, especially if you're delivering the ball with an unnatural movement so the batsman knows your intention from your arm movement. Fast bowlers bowling towards the end of limited overs cricket and facing aggressive attacking shots actually do bowl occasional "slower balls" using their normal delivery stride to try to catch out opponents who tend to mistime shots…
Letting the ball bounce twice was effective enough that the ECC banned it for county cricket just recently so obviously someone had the same clever idea as me :)