Cooolbuy via Amazon offers its Cooolbuy Magic Headrest Car Hooks 4-Pack in Black for $14.99. Coupon code "7XN2BHU8" cuts the price to $7.49. With free shipping for Prime members, that's $8 off list and tied with our mention from two weeks ago as the lowest price we could find. They feature an extra long attachment hook, two hook sizes, and a 28-lb. load limit. Deal ends June 30.