Kent Perfect For Midi Fat Pin Detangling Brush - PF20 Kent Perfect For Midi Fat Pin Detangling Brush - PF20 Kent Perfect For Midi Detangling Brush ideal for all hair types, but especially unruly hair. This Midi Detangling Brush uses ‘phat pin' technology which gently slides through knots and tangles without snagging and snapping hair while the air cushioned head ensures the scalp and roots are stimulated yet protected from damage to maintain healthy gorgeous hair.