The wobble seam ball may have been pioneered by England, but Australia's quicks have become as adept as any around the world at bowling it.
It is essentially Pat Cummins' stock ball:
It has transformed Mitchell Starc's Test career. Here's his grip for the wobble seam (left) versus his inswinger (right):
Since adding the wobble seam to his arsenal, Starc's bowling average has come down, his strike-rate has stayed about the same and his economy rate is considerably lower: since the 2019 Ashes, he's gone at 3.09 per over compared to 3.38 previously.
Scott Boland and Michael Neser have also become big threats with the wobble seam:
Can read more here. Spoke to all four Aussie quicks (and others) on how the wobble seam went from being seen as a mistake to a major weapon in Australia #WTCFinal2023#Ashescricket.com.au/news/feature/a…