Page 13 - TJ Murphy 4th yr MDP Book

Affordance Nudge Feature Part

Ideal shape for fingers Different matieral used Button area
and thumb to press for button 1

Detachable for Fits in mouth Brush head
replacement 2

Fits exactly into the hole Matches the hole on Charging port
on the toothbrush toothbrush 3
Head area
Head top and brush
bottom fit together Magnetised parts
seamlessly Body 4

Smooth body allows for Ideal shape and length
an effortless clean for a hand to fit around 5

Cognitive ergonomics