Here's what you'll need…
A bucket or a glass bowl that holds at least two quarts
A one cup measuring cup
Salt
Navy blue Rit dye, available at craft stores or online.
It is important to get the powdered dye, not the liquid dye.

A small amount of liquid detergent
A spoon
A clip hanger
A white cotton shirt with a collar
Rubber gloves (not pictured)
A mat, and old towel, or some newspaper to put on the floor

Photographed by Guang Xu