Go on, take that key or coaster. Branding execs hope you do


              This undated image shows a collection of matchbooks. Chances are if you’ve been to a great restaurant, bar or hotel, you’ve snagged a coaster, matchbook, napkin or card key. Mementoes like these help us remember a fun experience. (Elaine Markoutsas via AP)
            
              This undated image shows a collection of matchbooks. Chances are if you’ve been to a great restaurant, bar or hotel, you’ve snagged a coaster, matchbook, napkin or card key. Mementoes like these help us remember a fun experience. (Elaine Markoutsas via AP)
            
              This image released by Might & Main shows custom coasters designed for Eventide Oyster Co. in Portland, Maine. (Might & Main via AP)
            
              A collection of swivel sticks from various venues. Chances are if you’ve been to a great restaurant, bar or hotel, you’ve snagged a coaster, matchbook, napkin or card key. Mementoes like these help us remember a fun experience. (Elaine Markoutsas via AP)
            This image released by Might & Main shows a book of matches designed for The Adelphi Hotel in Saratoga Springs, N.Y. (Might & Main via AP)