Industrial Design travel kit

I’d prefer a system where the tools are’nt carried around but a way by which you could make use of the environment or improvisation of objects found around where ever you work. this would mean a systemic approach though.
sketch tools& 3d tools
forget pen&paper

  1. What do you think is the most valuable tool for Industrial design
    a watch
  2. Is there a tool in particular that you forget a lot?
  3. If you had a toolkit to travel with, would you prefer a bag (eg a backpack type) or hardcase?
    i prefer a walking / talking wallet
  4. What’s a downside of tool cases you own now?
    there’s no downside
  5. What are 5 tools that you could not live without for designing?
    my right fingers but that doesn’t mean i should break the left ones