Look at the best players in the world. All of them (besides the unconventional few) start their takeaway the exact same way: with connected arms.
That connection is the foundation of consistent, repeatable ball striking. Without it, the clubface is already offline before you've begun and you'll be hoping it goes where you want - rather than knowing
The Performance Ball sits between your arms and locks that position in from the first move.
No swing thoughts. No guesswork. Just the right feeling, repeated until it becomes automatic.
Five minutes a day is enough to start building it into your muscle memory.