Shorts: Submerged in water then dipped in bleach over night. After rinsing thoroughly dip into dye and leave 1 inch submerged for half an hour. Fill an old spray bottle with bleach and spray around the top of the bleach/dye.
Tshirt/bra/leggings/vest: Take an old grey/black/navy cotton tshirt/coloured bra/denim look leggings/coloured vest. Twist into a ball and secure with two elastic bands. Submerge in bleach over night. Cut of the elastic bands, rinse with water and wash.
Denim Shirt: Dampen a denim shirt. Use an old spray bottle to spray bleach onto the bottom half of the shirt and sleeves. Rinse and wash.