1. A device that facilitates skills training with a sporting-object, the device comprising: a rotational sensor configured to measure a series of angular velocities about a defined axis of a sporting object; a launch determiner configured to determine whether the sporting object is in a skills-training mode based upon one or more measured angular velocities of the series; a trainer configured to: ascertain, during the skills-training mode, whether a consecutive sequence of measured angular velocities of the series falls within a defined range of angular velocities; generate an audible signal in response to the ascertaining.