Nagasu / Nagashi (流す / 流し) — Guiding and Redirecting in Wadō-Ryū

By Roger Vickerman Renshi · Principles

Nagasu (to let flow) and Nagashi (flowing redirection) represent one of the most important and defining ideas in Wadō-Ryū. Rather than stopping an attack, colliding with it, or retreating away from it, the practitioner allows the force to pass while subtly guiding it away from their centre.

This approach sits at the heart of Wadō’s non-collision philosophy. Instead of meeting strength with strength, we remove the need for force entirely by changing the relationship between the bodies at the moment of contact.

Understanding Nagasu and Nagashi

Although often used interchangeably, the two terms have slightly different meanings:

• Nagasu — the action of allowing something to flow or pass
• Nagashi — the expression of that action through movement and technique

In practice, nagasu is the principle, and nagashi is how we see that principle in motion. Together, they describe how we interact with incoming force in a way that avoids impact while maintaining control.

Not Blocking — Not Avoiding — But Guiding

A useful way to understand this principle is by clarifying what it is not:

• It is not a hard block that stops the attack
• It is not simply stepping away to avoid contact
• It is not passive or soft in a weak sense

Instead, nagasu/nagashi allows the attack to continue — but not in the direction or with the effect the attacker intended. The force is guided, slightly altered, and redirected so that it no longer threatens the defender while at the same time creating opportunity.

Why It Matters in Wadō-Ryū

Wadō is built on the idea of non-collision. If we try to stop force directly, we are already losing efficiency and relying on strength. Nagasu removes this problem at its source.

When applied correctly:

• The body does not need to brace or tense
• The movement remains continuous and connected
• The opponent’s balance begins to break naturally
• The transition from defence to control or attack becomes seamless

This is why high-level Wadō often appears effortless — the practitioner is not resisting force, but reshaping it.

The Role of Timing and Contact

Nagasu is not something that happens after the attack has arrived. It must occur at the moment of contact, or even slightly before. If the timing is late, the body is forced to absorb impact. If the timing is correct, very little force needs to be handled at all.

The contact itself should also be light, connected, and responsive — not rigid or pushing. This allows the practitioner to feel the direction of the attack and guide it accordingly.

Relationship to Other Wadō Principles

Nagasu / Nagashi does not exist in isolation. It is deeply connected to many other principles:

• Taisabaki — body movement creates the space for redirection
• Ma-ai — correct distance makes guiding possible
• Ryūsui — flow ensures the movement does not stop
• Kuzushi — balance is broken as force is redirected
• Datsuryoku — relaxation allows sensitivity and adaptability

Without these connections, nagasu becomes mechanical or ineffective. With them, it becomes natural and highly efficient.

Where It Appears in Training

Nagasu and nagashi can be seen throughout Wadō practice:

• Kihon — where receiving actions begin to show redirection rather than blocking
• Kihon Kumite — where guiding the attack off line is essential
• Kumite Kata — where subtle control and connection become more refined
• Kata — where movements that appear as blocks are often expressions of redirection

As understanding develops, practitioners begin to recognise that many techniques are not separate defensive actions, but part of a continuous process of guiding and controlling.

Common Training Errors

• Trying to push or force the attack away
• Moving too far and losing connection
• Using the arms independently of the body
• Applying the movement too late

These errors usually come from misunderstanding the principle. Nagasu is not about doing more — it is about doing less, at the right moment, with the right structure.

Nagasu and Control

One of the most important aspects of this principle is that it does not end with avoidance. By maintaining connection while guiding the attack, the practitioner remains in control of the situation.

This is where nagasu naturally leads into kuzushi and further technique. The opponent’s movement has already been compromised, making the next action simpler and more effective.

Closing Thoughts

Nagasu and nagashi represent a fundamental shift in how we approach conflict. Instead of opposing force, we allow it to pass. Instead of stopping movement, we continue it. Instead of reacting after impact, we change the outcome before it fully develops.

In this sense, nagasu is not just a technical idea — it is a way of thinking about movement, interaction, and control. When understood correctly, it removes the need for struggle and replaces it with timing, sensitivity, and precision.