Do you know most DID released boots can be bended like a real one which won't be bounced back like all other plastic made boots? Because they have inserted a metal flip into each base of the boots (just like the bendable fingers) which assist to make realistic postures for your action figures! They can now kneeing with bending feet but also boots! "L" shape leg and feet posture is not the only and lonely posture for action figures now!