Figure 4: This capsule stabilization hook (Yaguchi hook) consists of a 15.0 mm curved needle attached to 5-0 polypropylene thread (50.0 mm long). It is bent at the anterior end and bifurcates at the posterior end to form a T shape. The T-shaped pad portion is 2.00 mm long for the expander and 3.75 mm long for the hook.