Originally common in manually operated machines, such as spinning wheels or looms.

Historical Usage

The word implies continual foot movement to keep a machine running.

Physical Action

While less common today, treadles are still used in some equipment to allow hands-free operation.

Present Relevance

 so it's triggered by we try to make this a natural extension of the burrow system impossible and then it's triggered by when the third comes up and steps on this treadle because they're very curious animals and they won't be able

Treadle