1. Thrift or find in someone's wardrobe a black short or long sleave Tee, oversized works well, I'm wearing a size 16 AUD/UK (size 12 US). You can do it with other colors, but black typically bleaches orange. The tee must be 100% cotton! 2. Hang it outside, a clothesline works well and get 100% bleach in a squirty bottle. Squirt away, back and front, till you are happy, rinse in lots of water, then wash with detergent and dry. 3. Make a heart template out of paper or cardboard. I used a thrifted