Kersland Direct via Amazon offers Prime members the Spretzo Wine Aerator for $38.97. Coupon code "SPRETZO6" cuts it to $18.99. With free shipping, that's $21 below the lowest total price we could find for a similar aerator. (Non-Prime members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $5.78.) This device purports to make wine taste better in seconds.