TheMB43LP mouthpiece is the mildest Level 2-3 Myler bite. The mouthpiece doesn't rotate down and put pressure on top of the tongue - instead, the gate is slightly narrower, but still leaves room for the tongue. Because the gate is narrower, the horse will feel a slight pressure on each side of its tongue when the bridle is pulled. The mouthpiece sits firmly on the horse's loins and lips, and because the gate is not as high, there will be little to no pressure on the palate. The MB43LP mouthpiece is stepped straight lead Level 3 Myler bits.
A bit with D-rings gives a calmness in the horse's mouth compared to a traditional snaffle bit with loose bit rings. The loose bit rings can rotate in the sides of the mouthpiece, the D-rings cannot, which makes them lie still and stable against the horse's cheek.
The horseat Level 2-3 :
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The horse has training equivalent to Level 2, but has a good temperament and can therefore benefit from a bite with more tongue freedom.
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The horse has training similar to Level 3, but requires more support and control as it is not ready for the freedom of the Level 3 bit.
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The horse shows resistance and reluctance to the Myler Level 2 bites.
Independent Side Movement
Some of the Myler bits are equipped with so-called "Independent Side Movement". This is, as the name indicates, allows the rider to move each side of the bit independently of each other. This means that when the rider pulls on one rein, the horse gets a very clear signal as only one side moves. This provides effective shoulder control and bending of the horse.