Flexible Rubber Goyo Aga bitComposition: Natural Rubber with a metal part in the inside. Important note to our clients: rubber bits are not guaranteed against bites even after the first use. This product is a French fabrication and is part of the Jump'In range that supports the "French savoir faire" Effect: the Goyo Aga bit has a more or less strong lowering effect depending on where on the ring the rein is fixed and also depending on how the curb chain is tightened. Rubber bits