Comb picking is a very easy and highly effective bypass technique that works on a wide variety of locks. The Comb 66 is an expansion for the Comb 45

The Comb 66 works on the American 2010 and the Massive Master 6271

The bypass works by lifting both the top pins and bottom pins above the sheer line. This can be done due to the length of the spring wells that allow for everything to be pushed above the sheer line into this well. 

Just insert the teeth of the comb under the pins and lift vertically until the teeth of the comb have pressed into the wells. Then make sure it is aligned with the core and rotate. 

When you have practiced its as fast as using the key.