It may help you to feel more confident if you practice at home first, without pillows and in different chairs. Try different types of clothing that can be easily unbuttoned, or a nursing top.
When you’re ready to try breastfeeding in public, get yourself settled into a comfortable chair with good support. If you think you’re going to feel self-conscious, sit with your back to the majority of people around you. A scarf or muslin cloth can help you feed more discreetly, too. Just slip it over any bare areas once your baby has latched on.
A good tip is to have a drink of water on hand – breastfeeding is thirsty work! Also, try and avoid sitting too near a heat source as it increases your body temperature.