Which aspect does NOT contribute to the overall effectiveness of handcuffs?

The effectiveness of handcuffs is primarily determined by their functionality and performance in restraining individuals securely and safely during apprehension. While weight, durability, and strength are critical factors that influence how well handcuffs perform in various situations, color does not have a direct impact on their functional effectiveness.

Weight can affect how users handle and carry handcuffs, as well as how quickly they can deploy them. Durability ensures that handcuffs can withstand stress and potential tampering during use, while strength is essential for holding a subject securely without the risk of breaking or failure. Color, however, is more related to visibility or aesthetic preferences and does not affect the physical capabilities of the handcuffs in terms of restraint or security. Therefore, color does not contribute meaningfully to the overall effectiveness of handcuffs in the context of compliance and control tactics.