Stable support with a firm and comfortable grip Etac Optima arm support has a soft, rounded end which provides a comfortable grip. The supporting leg has an adjustable foot which ensures perfect floor contact. The large wall plate ensures a strong fix to the wall. Etac Optima toilet arm support are available in one standard and one lockable version. Etac Optima Lockable toilet arm support Etac Optima Lockable toilet arm support, locks in either the folded or flipped down position. It provides stable support when standing. The unique locking mechanism is easy to operate with one hand. The arm support has a soft, rounded end which provides a comfortable and secure grip.