**Core Concept**
The Lockwood repair is a surgical technique used to repair a fifth metacarpal neck fracture, which is often associated with a scaphoid fracture. This procedure involves stabilizing the fracture site to promote healing and prevent complications.

**Why the Correct Answer is Right**
The Lockwood repair is specifically designed for fifth metacarpal neck fractures, which are common in young adults. This technique involves reducing the fracture and applying a Kirschner wire (K-wire) to stabilize the bone fragments. The wire is typically placed through the fifth metacarpal neck and the base of the fifth metacarpal head. This allows for early mobilization and promotes healing in a functional position.

**Why Each Wrong Option is Incorrect**
**Option A:** The Watson-Taylor repair is a different technique used for scaphoid fractures, not fifth metacarpal neck fractures.
**Option B:** The Herbert screw is a type of internal fixation device used for scaphoid fractures, but it is not the primary technique used for Lockwood repairs.
**Option C:** The Bunnell repair is a type of tendon repair, not a bone fracture repair technique.

**Clinical Pearl / High-Yield Fact**
It is essential to accurately diagnose and treat fifth metacarpal neck fractures to prevent complications such as nonunion, malunion, or limited wrist mobility.

**Correct Answer:** C.