This
Manfrotto Car Window Pod Mount and Micro Ball Head from
B&H offers more versatility for photographers: the car window pod clamps firmly onto a car window to provide a solid platform for photographing from your car, and the micro ball head gives you nearly unlimited freedom of movement for your camera--360-° pans are possible and +/-90° tilts. The ball head features a tough, hard ball and a die-cast aluminum housing, and can hold up to 4.41 lbs (2 kg)--it can instantly be locked into any position.