Abstract: Skateboard designs including a hanger with a yoke with two arms, comprising a bumper which provides an increasing force as the wheel axles are pushed away from their resting position, and wide wheels with an asymmetrical and gradually tapering profile as the wheel extends outward from the midline of the board, for improved “surfing-like” maneuverability including an enhanced ability to “carve” like a snowboard.

Abstract: Skateboard designs including a hanger with a yoke with two arms, comprising a bumper which provides an increasing force as the wheel axles are pushed away from their resting position, and wide wheels with an asymmetrical and gradually tapering profile as the wheels extend outward from the midline of the board, for improved “surfing-like” maneuverability including an enhanced ability to “carve” like a snowboard.

Abstract: Skateboard designs including a hanger with a yoke with two arms, comprising a bumper which provides an increasing force as the wheel axles are pushed away from their resting position, and wide wheels with an asymmetrical and gradually tapering profile as the wheel extends outward from the midline of the board, for improved “surfing-like” maneuverability including an enhanced ability to “carve” like a snowboard.

Abstract: In one embodiment, a sound enhancer is couplable to a portable media player and is configured to redirect sound from a speaker of the portable media player towards a user for enhancing the user's audio experience. The sound enhancer may direct sound from a side-mounted or back-mounted speaker, and include features such as a loudspeaker to amplify the sound, and various reflectors, directing channels and resonant cavities. A gripper is provided to provide secure attachment to the portable media player. Alternatively, the sound enhancer can be formed integrally with accessories of the portable media player such as a hard or soft case, a docking station, and holder or stand and the like.