The legs may be bent inward (or occasionally outward) slightly. The inline versions can be made to fold inward or outward. But a caliper can be as simple as a compass with inward or outward-facing points. Another major theme of East End history has been migration, both inward and outward. In clubfoot, feet are rotated inward and downward. The head is tilted back for an inward breath. The symptoms are internally scarred eyelids, followed by eyelids turning inward. The ancients stored codices with spines facing inward, and not always vertically. This caused Jupiter to move slightly inward. Esotropia is a form of strabismus in which one or both eyes turns inward. Any rotation around the plug hole that is initially present accelerates as water moves inward. Surface tension is responsible for approximately 2/3 of the inward elastic recoil forces. The failures led to an inward turn by Moscow. The water rapidly cools and solidifies the glass from the outside inward. It is generally a depolarizing event resulting from inward current flow.