Why is keeping a Frengle leashed outside often considered non-negotiable?

Answer

The powerful scent drive can override basic recall commands

The powerful Beagle nose causes the Frengle to become completely distracted by compelling scents, meaning the urge to wander can override training, making off-leash safety risky.

Why is keeping a Frengle leashed outside often considered non-negotiable?
Dogtemperamentfrengle