Hair Brushed Hair Lost
Francis Cheng, Gligor Djogo, James Tu, and Maggy Zhu
Why is it Annoying?!
StakeholdersAnyone with long hair, not
necessarily femalesManufacturers of personal care and
hygiene productsDesign teams of companiesPeople living with victims of this
splarktz
Scoping and EngSci SolvabilityChange the Comb Design
Make it Easier and Faster to Clean
Usability, Effectiveness, Portability, Durability
General RequirementsConstraints
Must be intuitive to an 8+ year old Must show a visible improvement in
disorder/mess within < 2 min of use Must operate right after impact of
1.5m drop Must use < 9V to supply power or
standard power outlet Should be < 1 hair lost/10 strokes Should apply < 5N (to messy hair)
As defined in RFC 2119
Criteria Resemblance to existing
product is better (brush, vacuum…)
Faster is better Least deformation is
preferred Less is better None is best Minimal force is preferred