% hook's law is a tweak released by chpwn last night in Cydia, and he was thought to implement in iOS animations the effect of tightening/stretching an arc. Practically for iOS animations, this tweak adds the respective effect, and with the help of a settings menu available in the Settings application, we can change the intensity of the effect applied to the animations. The tweak is done in the base Hooke's law, he is 100% compatible with iOS 6.1, is available for free in Cydia, and immediately what evasi0n will be launched, you will be able to install it in your own terminal.
