Jonas Black on Instagram: "Protection work is about clarity under pressure. Noise, movement, environmental stress, and controlled threat are tools to build confidence and nerve. Pain from a heavy object flying at the dog is not information. It is injury risk and fear conditioning. A drill has weight, hard edges, and zero margin for error. One bad hit can shatter teeth, damage an eye, fracture a skull, or tweak a neck for life. That does not create a stronger dog. It creates fallout. Avoidance, c