I have done a couple of quick drawings in my lounge/workshop. Subject is random and not tidied or arranged in any way. One done in charcoal and one in 2B pencil
The above done at great speed 10-15 min. No corrections made just a bit of smudging.
Again done in about 15 min. Did use a rubber a few times.
The following are charcoal studies in the same room about 25 years ago.
Did you catch Grayson Perry's Art Club last night? About animals. Worth a look on Catch up
"Not tidied"... sigh. And what was the cat's name, I can't remember.