Choose by touch / bathroom product

In bathroom,blind people can’t recognize thebottle they need in so many bottles.

How can they choose the right one to wash their body or hair?
By putting on a belt with different shape,blind people know which bottle are the one they need by a simple touch.

Use compound codes in this product.
First,choose bottle by touching border and you will find your shampoo.Second,to make sure by touching braille inside.