I'm not sure against Orient that he did 'control' it - it seemed to come off him but loop up so that he could have another crack (first time) which he scored with. As for the pens, that's a different technique and mindset altogether. I'm sure there are psychologists around who've written theses...
Most of the goals Barnes has scored this season have been instinctive strikes rather than pre-determined. The ones I can remember off the top are Exeter (H&A), Oldham and Posh - where he scored with a first-time effort each time. Against Orient and Bris R he controlled it but had to take a quick...