Does the foundation laid by 'To keep the colors fresh, he dabbed the carcass with blood from a pail, then grabbed his paintbrushes to capture those lurid reds on canvas.' logically support 'He lightly pressed blood from a pain onto the carcass.'
To keep the colors fresh, he dabbed the carcass with blood from a pail, then grabbed his paintbrushes to capture those lurid reds on canvas.###He lightly pressed blood from a pain onto the carcass.