Very few supplies are needed for Settle Down School. 

• Dog: healthy and likes food and treats
• Food: your dog's regular daily diet and a variety of treats
• Time: A few minutes of your time, plus your attention and focus whenever you and your dog are together
• For training outside the home (on walks, at the store, car, etc): Your dog's regular collar/harness and leash, a treat bag for your food rewards, and an assortment of food/treats. 

That's it!   No special bed, mat, or cot, or tie back, or special collar.