Life Drawings Part 1

Here are some sketches from life drawing sessions. Mostly quick sketches; 5 to 10 minutes tops. I've always found it a great way to sharpen my drawing technique and observational skills. It's hard work as it requires all my concentration but at same time it's great fun too.
And to be able to produce a drawing that's somewhat representable once in a while feels very rewarding, because, to be honest, most aren't. For me it usually seems to be hit-or-miss with these quick sessions.