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Portable and compact - Coggle Diagram
Portable and compact
Wheelchair
Foldable
Cant fold fold
Make the middle non solid so it folds like a foldable chair
Add switches so you cant take it apart
Protection
Knife
Foldable
Go off in pocket
Dont keep in pocket
Give it a lock
Too loud
Switch
Gets jammed
Make it simple
Throwing
Cant fly
Make it aerodynamic
Pepper spray
Make it really strong
Could be illegal
Dont make it too strong
Small chair
Reclining foot rest
Get leg stuck
Add safety
Install a sensor
Foldable
Doesnt fold
Stuck
Mug
Portable
Make it fold in half
It breaks
Make it strong
Change material
Give instructions
Make it attach to your bag
It falls off
Use a harness lock
Use strong rope
Use strong material