BaxiaDirect via Amazon offers the Baxia Technology Accessory Kit for the GoPro Hero 4, 3, and 2 for $46.99. Coupon code "DROPG2N8" cuts it to $36.99. With free shipping, that's $103 off list and the best price we could find. This 42-piece kit facilitates a wide variety of mounting locations, including your head, chest, bike, helmet, and car.