It feels like only yesterday that Dunkin' announced it would be giving away free iced coffees to customers in the wake of its Super Bowl ad, but the free giveaways just keep coming. We're not complaining. We're greedy for any sort of giveaway, even if we're only getting one half of a set of gloves. From 10 a.m. on ## Feb. 20 **,** guests nationwide can score a limited-edition Dunkin’ iced coffee glove with the purchase of any iced beverage. This offer is only available while supplies last at participating Dunkin’ locations, and yes, we are talking about a single glove here. In the words of Dunkin', it's to "keep that sipping hand warm." SEE ALSO: How to get the free Lego set for late February: Spend $100 to get the absurdly cute Duck Family Dunkin’ is celebrating the guests who opt for iced coffee no matter the weather.…