You need * a binary glove Step 1. Watch https://youtu.be/QabSj6-ZImY Step 2. Wear a binary glove on right hand Step 3. Count from 0 - 31 in binary. Practice many times. Step 4. 1. Tap the add button. 2. Take video of binary glove (both decimal side an binary side) 3. Tap the check to add Sample video https://youtu.be/7O5RA-VfU44 (decimal side) https://youtu.be/ndIsLeYsMmI (binary side) Please note that this activity is developed by Seattle IT Japanese Professionals.