Eric Thomas Full martingale arrow Pro

Full, fully adjustable martingale boom with buckles
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The ring martingale is a rein made up of 2 straps: one attaches to the girth on one side, and on the other side it separates into 2 parts fitted with rings that slide into the reins. The second strap is a collar that runs around the neck to hold the reins in place. Avoid adjusting the strap too tightly court, as this may interfere with the horse's neck movements.
The purpose of the ring martingale is not to lower the horse's head, but to prevent him from head-butting.