What Aikido technique can be used to neutralize an attack?

Kotegaeshi, or wrist twist, is recognized as an effective technique in Aikido for neutralizing an attack. This technique involves a specific movement where the practitioner applies control to an opponent's wrist, leveraging the principles of joint manipulation and the natural movement of the body. When executed properly, Kotegaeshi can redirect the attacker's energy and force while simultaneously applying a lock to their wrist, effectively neutralizing the threat.

The fundamental aim of Aikido is to use an opponent's own energy and strength against them. The wrist twist not only offers a way to control the opponent but also turns their aggressive motion into a means of subduing them without causing unnecessary harm. This embodies the Aikido philosophy of achieving harmony and control while minimizing conflict.

In contrast, options such as the armbar and neck lock are more commonly associated with grappling arts and often involve submission techniques that do not align with Aikido's core principles of blending and redirecting energy. Meanwhile, a roundhouse kick is a striking technique that places you in a more aggressive position rather than focusing on neutralization and control. Thus, Kotegaeshi stands out as the technique that best fits the context of neutralizing an attack within the framework of Aikido.