What action should you take after placing the headcollar over the bridle?

Placing the headcollar over the bridle is a safety measure designed to ensure you have better control of the horse while managing the tack. By securing the horse, you prevent it from moving freely, which is particularly important in situations where you may need to adjust or remove the bridle. Keeping the horse secure minimizes the risk of accidents, both for the handler and the horse, as it helps to maintain a calm and controlled environment. This action is crucial for effective handling and promotes safety during grooming, tacking, or any other activities involving the horse.

The other actions, such as removing the saddle, putting away the bridle, or cleaning the tack, are appropriate in different contexts but do not address the immediate need for security after placing the headcollar. Prioritizing the horse's safety and ensuring it's secure is the logical first step in managing the situation.