Which of the following grooming tools is specifically meant for removing loose hair?

The dandy brush is specifically designed to effectively remove loose hair, dirt, and debris from a horse's coat. Its stiff bristles help to flick away dirt and shedding hairs, making it particularly useful during the grooming process to keep the coat clean and free of loose hairs.

The body brush, in contrast, is typically softer and is used for finishing and smoothing the coat after the dandy brush has been used. It helps to lay down the hair and gives a polished appearance but is not as effective at removing loose hairs.

The curry comb is primarily used to loosen dirt, debris, and loose hair from the horse's coat, but it may not fully remove the loose hair—it simply works to lift it away from the skin. The wisp is a finer tool, often used for sensitive areas or for detailing, rather than for bulk hair removal.

Overall, the dandy brush's primary function as a tool for removing loose hair makes it the correct choice for this question.