15 · Dry

Knuckle Ball

T20 death. Two knuckles behind the seam, killed revs, dropped 15 km/h. Batter's already through the swing.

Plan

Middle stump · full

Behind the release point

Bowler viewClick pitch to aim

Behind the bowler · click pitch to aim

Deliver

Pace

Wrist

Seam0° straight

Aim

length 17.3m · line +0.00mtap the pitch to move

Difficulty

Run-up · release1 hold · 2 drag · 3 release

↑ attack seam↓ hold seamtighterwider

Press & holdthen drag to shape line & seam

Or hold spacebar · drag optional

Bowls the canonical release for knuckle ball — study the shape, then copy it.

Release + delivery outcome

How to bowl

1. Click the pitch to aim your line and length. 2. Choose pace, wrist and seam angle. 3. Hold Run up and release when the marker hits the amber zone.

Same gesture always produces the same ball — deterministic physics.

Session · last 0

Bowl a few balls with the same plan — landing spots appear here so you can see the pattern, not just this ball.

Over

Ball 1/6

Pressure

Settled · 55%

Batter · Fresh read

Batter hasn't seen the plan often enough to change tack.

Aim on the pitch

Hold trackpad to run up · release to bowl