Smartwatches are a dime a dozen these days, so if youre making one and want to get noticed, youd better have an enticing hook. And, in the case of the HeadWatch, it literally has a hook — one that anchors the main body of the device to your ear so it can double as a sort of hands-free headset. Seeking $300,000 of crowdfunding cash through Indiegogo, the HeadWatch is standard wearable fare, mostly.