The rollerboard strap is a great addition to your No. 4316 satchel if you're an avid traveler. The strap gives you the ability to slip your bag over the rollerboard handle on your suitcase for a hands-free carrying option. Like all of the 4316 accessories the rollerboard is extremely easy to add and remove from your satchel, giving you the ability to flex your bags capabilities based on your busy life.
Check out a video explaining the easy at home installation process here