Caused by a1cc621e1e. The "is_hair_length" value needs to be
set before `attr_input_name` is called because it uses the value to set
the attribute name with the "l" alias.
Caused by a1cc621e1e. The "is_hair_length" value needs to be
set before `attr_input_name` is called because it uses the value to set
the attribute name with the "l" alias.