Why town walking breaks a good loose lead
On a quiet lane your dog has little competing for his attention, so staying near you is easy to choose and easy to reward. A market town stacks the distractions in layers: food smells rolling out of doorways, dropped chips on the pavement, pigeons, bus brakes, strangers stopping suddenly, other dogs weaving between stalls. Each one pays him for pulling in a way you cannot match treat for treat in the moment, because reaching the smell is the reward. Pulling is also self-reinforcing in the plainest sense: the lead tightens, he leans in, the pair of you moves forward, and the interesting thing gets closer. The answer is not stronger corrections in the busiest street you can find; it is rebuilding the same behaviour through a graded series of environments so that by the time he reaches the market square, town walking is a familiar job with a rich payment history.
Grade the town instead of braving it
Map your town as a training course. The outer ring is residential streets a few minutes from the centre, the next ring is the quieter shopping streets, and the final ring is the square on market day. Graduate only when the current ring is genuinely easy: lead slack most of the time, check-ins offered, recovery quick when a distraction lands. Keep early town sessions short, ten or fifteen minutes of quality walking, and end them at a café edge or a bench where he can watch the world without having to perform in it. Time of day is a dial too: the same street at eight in the morning is a different exam from the same street at noon on Saturday. If he unravels, you have not failed; you have found his current ceiling, and dropping back a ring for a few outings rebuilds the confidence that one flooded session can dent.
Pay the behaviour you want at town rates
Reward generously and often in town: a check-in glance, a few paces of slack, a polite pause while a shopper squeezes past should all pay far better than they do on the lane, because the effort behind them is greater. Use food he values highly and reserve it for street work if plain treats stop competing. Manage the mechanics kindly: when the lead tightens, stop or change direction before he reaches the end of it under power, so forward motion never quite funds the pull, and reward the moment slack returns. Give him legal outlets inside the walk: a sniff stop at a lamppost between shops, a minute watching pigeons from a distance he can handle. A dog whose town walk is nothing but restraint will pull harder next time, while a dog who gets structured chances to be a dog stays with you for the formal stretches.
Proof it against the market's signature moments
Once the rings are solid, rehearse the specific scenes the town will throw at him: passing a queue outside a bakery, crossing at a pelican crossing with beeping signals, walking the market aisle itself on a quieter weekday before a Saturday. Practise a settle at a stall while you handle money, because standing still amid the smells is its own skill distinct from walking. Watch his stress signals as carefully as his lead: a dog who is panting hard, scanning constantly, or unable to take food is over threshold even if he is not pulling, and the kind move is distance, not more reps. Build a library of wins across several weeks and the town becomes routine rather than an event. Log the rings and market scenes he has passed in KinsLe's Care Teams, with completed practice marked by whoever walked him, so progress is visible and nobody skips a grade.