xoaocardoso
It's a good model, but a lil bit complicated to understand the rig and here is animated. Not intuitive I would say. There's an error on the texture in the front of the bag, but nothing to worry too much, easy to correct with Photoshop.
This model of Backpack is rigged and include an animation openning 3 zippers
This model contain 11 separated objects:
The Backpack
4 zippers
4 sliders
1 clip
1 semihoop
-Formats included:
Model made in blender 2.79 with cycles, but render was made with blender 2.9 with Eevee