Wolffepack's cord system allows you to reach for items WITHOUT taking it off | Daily Mail Online
Swinging Dual Compartment Backpack
The First-ever Swinging Backpack! - Yanko Design
Amazon.com: Mermaid Swinging on a Rope On Turquoise School Backpack with Chest Strap, Waterproof Student Bookbag Rucksack for Boys Girls, Travel 15.6-inch Laptop Tablet Daypack : Electronics
Indispensable - DayPack Swing Shell Backpack - Black Indispensable