There is already a brilliant explanation on how it works over here:
Maybe we can compile more info, such as pictures, plans, code, for the electronic cut-down.
As well as some pictures of the icy mechanic cut-down 
There is already a brilliant explanation on how it works over here:
Maybe we can compile more info, such as pictures, plans, code, for the electronic cut-down.
As well as some pictures of the icy mechanic cut-down