Cady Goldfield wrote:
Years later, in discussing it with jujutsuka and judo guys, they recounted to me their instructors' exhortations to use the hard slap as, simply, an exercise to instill in them the habit of extending out their arms in a breakfall.
Ok now I gotcha! This is my understanding as well, though I wouldn't say eventually I'll never "slap" again. Sorry I misunderstood your meaning.