A small chain which is attached to a curb bit and lies in the groove on a horse's chin.
（系在马勒上的）勒链
Example sentencesExamples
You will be able to attach a bridle or curb chain to the upper shank, while the reins can be attached to the lower shank.
It never has shanks, curb chains or straps but may have a straight bar or a jointed mouthpiece.
The height of bit - how many wrinkles for the type of bit you use; the tightness of a curb chain or strap; how the bit falls on the bars of the horses mouth are all very important and possible catalysts to how a horse of this age behaves.
The way to measure leverage is to compare the distance from the mouthpiece to where the reins attach to the distance from the mouthpiece to the curb chain.
Definition of curb chain in US English:
curb chain
noun
A small chain which is attached to a curb bit and lies in the groove on a horse's chin.
（系在马勒上的）勒链
Example sentencesExamples
It never has shanks, curb chains or straps but may have a straight bar or a jointed mouthpiece.
The way to measure leverage is to compare the distance from the mouthpiece to where the reins attach to the distance from the mouthpiece to the curb chain.
The height of bit - how many wrinkles for the type of bit you use; the tightness of a curb chain or strap; how the bit falls on the bars of the horses mouth are all very important and possible catalysts to how a horse of this age behaves.
You will be able to attach a bridle or curb chain to the upper shank, while the reins can be attached to the lower shank.