Tik-tok pump / Environment Design

We use shampoo to wash our hair. We immerse
our hair in water and squeeze the shampoo bottle,
but as our head is wet, we fail to control the amount
of shampoo. Moreover, although people have to put
a proper amount of shampoo on their head considering
how long their hair is, they can’t. TIKTOK PUMP emits
two tik and tok sounds when you can’t see anything so
that you can have a proper amount of shampoo for your
hair. So, TIKTOK PUMP can contribute to reducing was
-tes of shampoo and improving environment pollutions.