The object that I don't like is straightener
It damages hair because there is no coating on the plate
visibility
-current status is not visible(no power light). You cannot
see whether it is on or not.
-current temperature does not show
Feedback
-does not give any visual or aural feedback even
When the cord is connected
Affordances
-There is an on-off switch on the bottom
constraints:
-there is limited action the user can do
Habituation
-There is only one switch on the straightener so
the user can turn it on without actually looking at it
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