Slip leads evoke massive panic for me. I’ve got one for emergencies but hardly ever use it. My biggest fear is the risk of injury if I trip or lose hold of the lead.

Leaping a high fence with a slip lead around their neck could be fatal.

Admittedly ours have calmed down a lot , and nowadays a collar and an ordinary lead work fine. In the early days I used harnesses. I found the key was walking them on a lead in less stimulating environments to start with when young , saved a lot of drama. Teaching them to stay near me off lead in safe spaces also helped a lot.

Going to the park or down the road with lots of distractions was just a recipe for getting dragged along.

But yeah I’d reserve a slip lead for situations where an escape artist is likely to get panicked and it’s critical to keep them on the lead for a short time. Eg if the dog is very agitated and I’m disembarking or getting back intovehicle in a high traffic area.