Ever since I was a kid I loved backpacks. I still do. I love the different styles, materials, design choices and use cases. If that sounds like you then I recommend watching.
One Designer vs. One Mystery Box — 24 Hours to Build a Backpack (EP 4)
Watching an expert designer take a bag of random materials into a finished prototype was a joy to watch. Especially to see the designer John Bachman tear up at the end of the 24 hour challenge. Watching him appreciate how far he had come during his career was touching.