The present invention provides a skylight frame design that is adapted to receive at least two panels of glass. In a first embodiment, the article support is a towel ring, the means for attaching the towel ring to the second leaf spring portion includes a shaft extending from a distal end of a post, and a retention groove formed at a distal end of the shaft. If it is determined that the mobile device is authorized, the network server may access the media content from the host device. An output of the low-frequency demodulator represents a magnitude and sign of a frequency difference between a frequency of the second modulation signal and an even-harmonic of the eigen frequency. The determination of the duty cycle may, for example, include varying at least one of an on time or an off time, for the on-state, of the light-emitting diode. The thin portion is deformed when the internal pressure of the battery case rises, thereby breaking electric connection between the top plate and the current collector.