What is one method to prevent lockwire pliers from opening while twisting wire?

Lockwire pliers are designed to maintain tension while twisting wire, and keeping the pliers locked is an effective method to prevent them from opening inadvertently during use. When the pliers are locked, they securely grip the wire, allowing for consistent twisting without the risk of the handles disengaging. This feature is particularly important when working with safety wire, as improperly secured wire can lead to mechanical failure or safety hazards in aerospace applications.

In contrast, while a wrist strap might help in retaining the tools, it does not directly address the pliers' mechanical function of holding wire. Tightening the handle isn't typically part of the intended operation of lockwire pliers, as these tools are designed to open and close easily when used correctly. Additionally, holding the pliers with both hands might not provide the same level of control and could lead to fatigue over time. Therefore, keeping the pliers locked stands out as the most effective and appropriate method to ensure they function optimally during the twisting process.