One of my wiser investments over the years was a proper chair for working from home. It's got all the bits and bobs including arms and all sorts of adjustable stuff. Here it's on its back so that I can tighten the screws that hold the arms in place, my left arm had come a little bit loose.
Today was an exciting melange of meetings and writing. Tomorrow, for a change, I plan to blend writing and meetings - it always pays to shake things up from time to time.