Dave Black on Nostr: nprofile1q…pjc9n 'Cognitive test.' That's the one where you tap a hammer just below ...nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqxw2mexzsxusn4qkglfjwjrrpgv4dn05h06ennrw3w3vnjjr4765qkpjc9n (nprofile…jc9n) 'Cognitive test.'That's the one where you tap a hammer just below the knee-cap; the 'knee-jerk' isn't it?