I'm pretty sure if you put the 5.5'' wide Nightwing Blue Symbol Sticker on your Trapper Keeper that it will increase its agility a hundred fold! People still have Trapper Keepers, right? Inspired by Batman's favorite protege Dick Grayson, the Nightwing Blue Symbol Sticker is a classy sticker for former acrobats-turned sidekick-turned full blown hero!