Question: how to change your quip?
Answer: Step 1: Remove old brush head. Grip the head and handle in opposite hands, bristles facing away from you. ... 
Step 2: Remove motor and battery. Pull the motor out by lifting it by the wings or using the thumbnail notch. ... 
Step 3: Clean brush handle. ... 
Step 4: Replace motor and battery. ... 
Step 5: Apply fresh brush head.