Everybody knows normal police handcuffs are no real challenge for lockpickers, even though it helps to know the inner workings and tiny differences of the various models in use today. Less publicly known is that there's also a variety of "high security" handcuffs on the market, used mainly for high risk prisoners and during transfers. But those also have their weaknesses... This talk will give an overview of the products in use today and their different attack vectors - not only focusing on picking but also bypassing some of the most advanced locking mechanisms used in this field.