What steadiness actually asks of your dog
A steady dog watches a ball arc away, land, and come to rest while every instinct built into a retrieving breed tells him to be moving already. That is a genuinely hard piece of self-control, because the reward he wants most is sitting in plain sight getting colder by the second. Sports such as flyball, gundog work, and disc games all build on this same foundation in different dress: the dog who can hold position until released is the dog who can be trusted with faster, more complex sequences later. Breaking early is not disobedience; it usually means the steps were skipped, the throw was too exciting for the level he had reached, or someone in his life plays fetch as a free-for-all between formal sessions, so the rules blur.
Install the release word away from the ball
Choose one short word used for nothing else, and first attach it to easy waits he already understands. Ask for a sit at the garden gate or before his dinner, pause, give the release word, and let him move to the good thing. He is learning that the word, and only the word, opens doors. Then bring the ball in at its least exciting: held in your hand while he sits, placed on the ground beside you, rolled gently a couple of paces with him on a lead. If he holds through the small event, release him to the ball as his payment; the chase is the reward, so no treat needs to compete with it. If he lunges, the lead simply prevents the self-reward, you reset without scolding, and the next rep gets smaller. A helper steadying the lead, or a line staked behind you, keeps your own hands free to handle the ball cleanly.
Add the throw in honest increments
Real throws come in only when the placed and rolled versions are dull. Throw short and low at first, into grass that slows the ball's bounce, because a high skimming throw across open ground is the hardest picture there is. Vary the delay before release: sometimes a breath, sometimes long enough for him to settle his weight back, so he listens for the word instead of guessing a count. Crucially, mix in denied retrieves: throw, release nobody, and walk out to collect the ball yourself while he watches and is rewarded for watching. That single exercise teaches the steadiness lesson most purely, because a thrown ball stops meaning his ball. Keep sessions to a handful of throws and finish on a clean success; steadiness frays quickly in a tired, overheated, or over-aroused dog, and rehearsing the frayed version teaches the wrong habit.
Protect the work in everyday games
The commonest way steadiness dies is the casual game in the park where a friend or family member hurls the ball the instant it appears. While you are building the skill, either bring everyone into the same rules or keep sports practice and free play visibly separate, with different equipment and locations if needed. Watch the quality of the hold rather than the clock: a creeping bottom, whining, or trembling says the picture is too hard today, and dropping back a stage protects months of work. Dogs with very high ball drive may also need an alternative outlet written into the session, a tug game after the last retrieve, so the whole outing is not one long exercise in restraint. Note each dog's current stage and release word in KinsLe's Care Teams, where the person walking him can see the drill he is on and mark the session done when it finishes.