Description Golden ratio sliding ruler Measuring stainless steel eyebrow ruler. Used to measure a brow shape with symmetry using the golden ratio of 1.618 Lightweight steel caliper with removable 3rd pointer. The Golden Ratio® method provides facial symmetry, using your unique bone structure to balance brows & determine their shape. Unbalanced brows can have the opposite effect, changing how your features, flaws or expressions appear. Related
