Hand Pain?!

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Does anyone else's hands hurt when performing snatches? I find the meaty part of my hand underneath the thumb and the small space between thumb and index finger hurts a lot. I did them two days ago and it feels almost bruised. It aches during WODs too. Not sure if it's just the wide grip im not overly used to? Been doing CF for almost 4 months now.
Would any sort of taping work?