The wobble seam is a bet, not a skill

Scrambling the seam trades a bowler's control for uncertainty, and it only pays for those who did not need it.

Hold the ball with the seam slightly askew, let the fingers fall away at release, and the seam wobbles through the air rather than sitting upright. Whatever it lands on, it lands unpredictably. Sometimes it holds its line. Sometimes it nips. The bowler does not know which, and neither does the batter, and that symmetry is the entire selling point.

It has become fashionable, which is why I want to push against it. A wobble seam ball is a probabilistic weapon. You are giving up the ability to say what the ball will do in exchange for the batter also not knowing. That trade is good when your control was already excellent and your movement was predictable enough to be played off the pitch. It is bad when you were struggling to land it in the first place, which is exactly the population most attracted to it.

The underrated cost is field setting. A captain cannot set a field for a ball that might go either way. With a conventional outswinger you can post the catchers behind and squeeze the off side. With a wobble seam you are effectively bowling with a compromise field, accepting edges to both sides and a slightly higher chance of the ball squirting through where nobody stands. On a surface with no lateral movement that compromise costs almost nothing. On a surface where you could have generated real swing, it is expensive.

There is a second thing that gets glossed over. The wobble seam works best at high pace, because the seam needs to remain unstable through flight rather than settling. Bowl it at low eighties and it behaves closer to a scrambled seam that simply sits up. So it is a delivery that is genuinely excellent for a handful of quick bowlers and mildly harmful for the many medium pacers who have adopted it after watching those quick bowlers on television.

My actual recommendation is unglamorous. Learn to hold the seam upright at pace, first, for years, and use the wobble as a specific answer to a specific problem, which is a dry hard surface with an old ball and no conventional movement available.

Using it as a stock delivery because it looks modern is how a bowler ends up with a career of unlucky spells and no explanation for any of them.