Rick, that must be a reflection cause I wear gloves while knapping. I'd hate to mistake my thumb for a heavy platform and do a overshot on it.
Deerhunter, The right tools and using them right is important. You should join the PITH trade.
her's another blade I did last night. One flake tried to dive and started a crack that caused me to have to be careful. It finally propagated to the edge so I quit hitting it after that.