The Method
Four steps. Lasting quality.
Each phase preserves a different facet of the flesh — energy, acidity, texture, temperature. Skip a step and the chain breaks.
脳殺
Nō-satsu · Step 1 · Spiking
A single precise thrust into the brain instantly destroys the central nervous system, halting all stress response before it begins.
ATP Retention
Panic and thrashing burn the muscle's ATP — the energy currency that keeps meat firm and sweet.
血抜き
Chi-nuki · Step 2 · Bleeding
Severing the gill arches and plunging the fish into an ice slurry drains the blood rapidly.
Lactic Acid Prevention
Blood holds lactate precursors. Bleeding removes the carrier and prevents acid buildup.
神経締め
Shinkei-jime · Step 3 · Wire Destruction
A flexible memory wire is threaded up the spinal canal and drawn back and forth, severing the neural axis.
Delayed Rigor Mortis
By destroying the spinal cord, rigor mortis arrives later and resolves gently instead of tearing the flesh.
氷締め
Kō-jime · Step 4 · Cold Storage
The dispatched fish is held at a precise low temperature — cold enough to slow breakdown, warm enough to avoid cell damage.
Enzyme & Microbe Control
Every 10°C drop roughly halves the rate of enzymatic and microbial activity.