What is a common evolution of the "bark and hold" method in K9 training?

The "bark and hold" method involves a K9 raising an alarm through barking while maintaining a physical presence near a suspect without engaging in biting. A common evolution of this technique is the use of the bite and hold technique. This approach allows the dog to move from merely alerting the handler to actively engaging and restraining a suspect if necessary, thus increasing the effectiveness of the K9 during apprehension situations.

This evolution reflects a tactical shift toward a more proactive role for the dog, where it can both signal to the handler and provide physical control over a suspect. The bite and hold technique ensures that the K9 can contain the situation until backup arrives or the suspect can be safely taken into custody.