Leather remnants. This can be bought online from leather crafters and suppliers. Watch the shipping cost, though. Remnants are usually sold by the pound or kilogram. It's like a box of chocolates, though, "you never know what your gonna get."
Inline skate boots with cracked, plastic tongues. Notice they are both cracked in the same place with the same angle. This cracked plastic can dig into the skaters ankle and cause needless pain and bruising.