No matter what you call them art journals, sketchbooks, visual diaries or my favourite studio journals, and no matter who you are , artist, fiber artist, web designer, etc the reason a designer will keep one is similar.
Ben Mounsey in his Core art skills series sets out to convince digital artists and designers that there is still a place for a paper based sketching and developing a recording practice. In Part 2, The Sketchbook, Ben offers advice on what to focus on, when you are out and about.
Much of what Ben says in Core Art Skills: Part 2, The Sketchbook can be applied to textile practitioners. Make yourself a cuppa and take 5 to improve your skills and pop over to read his article