I was on the beach in Swansea Bay again earlier, having a walk and a workout on the outdoor gym equipment. I stopped awhile to have a bit of a scribble into my little spotty sketchbook, size A6, with a Faber Castell Pitt drawing pen size S.
Typically called gesture drawings, these speedy sketches force you to analyse quickly and just get down the fundamentals, no time for the details.
scribblah 