[Each blow will, indeed, make them flinch, but they're built for abuse, and their endurance isn't to be sneered at. In fact, they only seem spurred on to frenzy in turn, doing their best to catch the man with the razor-edged tips of their claws. This is what they wanted, something so chaotic, mindless, and raw. If they can work this out of their system, then all will be well. For a time.]