Exercise shorts are thicker underwear that can briefly catch a small puddle. It feels wet and helps notice the difference between "dry" and "wet. During the day, a child wears training pants, for example, during short moments of practice at home. A washable diaper, insert or kitchen paper in the diaper also helps to give the wet feeling.

This is how training shorts help: a little moisture absorption gives time to react, while the feeling of staying wet is recognizable.