Alias · Leg Locks
Train lock
Also known as Tren Lock — the canonical term used on this site.
Training background: Informal alternate spelling/pronunciation variant
Colloquial — common mis-rendering of tren lock
Train lock is the colloquial mis-rendering of the tren lock — flagging the homophone-confusion that produces the alternate spelling in casual coaching speech.
Etymology. “Train” is the homophone-derived form of “tren” — the latter is the canonical name. The “train lock” rendering appears in spoken contexts where the speaker may not have seen the technique name in writing.
Mechanics. The tren lock attacks the ankle from a truck-derived configuration — the structural target is the same regardless of which name is used.
Cross-reference. “Tren lock” is the canonical name; “Truck ankle lock” is the descriptive alternate. Full mechanical coverage on Tren Lock.