Registered Design NOTE: Gustav can be used in two ways: Either with tongue relief or with bar relief. For tongue relief - If you would describe your horse as the following: * Inconsistent in the contact, needs to lay more on the bit. * Pulls the reins down/forward when you take up the reins. * Sensitive tongue. * Attempts to put their tongue over the bit/plays with the tongue. * Fussy mouthed. For bar relief- Turn the bit upside down. If you would describe your horse as the following: * Inconsistent in the contact, needs to lay more on the bit. * Bites on the bit, attempts to pull it back. * Can through the head up when you take the reins. * Sensitive bars and/or low palate.