Beltway Orthodontics | Removable Metal Retainer Hawley removable retainers are made of metal wire and acrylic. They are usually more durable, do not cover your bite, and can be adjusted to achieve minor tooth movement in some cases. However, the Hawley removable retainer is more expensive, has a looser fit, and displays a visible metal wire across your anterior teeth making them a less popular option for those seeking a more discrete look. Removable & Discreet. The Hawley removable retainer is a less expensive option, and is easier to remove and replace. It is a metal wire that runs across your teeth, with a cosmetic finish. Less expensive option. The Hawley removable retainer is less expensive than traditional braces, making it a more affordable option for those on a budget. No wires or brackets. Since the retainer is held in place by wires rather than brackets attached to the teeth, there are no unsightly wires or brackets on your teeth. No Matter What Stage of Orthodontic ...