None are simple because this is one hard bit to setup and use, and you will make some fire wood just about every time you use it.
Not all stock is the same thickness and that's where the error comes into place you can make some setup blocks out of 3/4" MDF stock that will help with the setup next time you use the bit BUT most 3/4" stock is not true 3/4" thick, but the setup blocks will help.
NOTE**** Do the hard one 1st. (the vertically member ) once it's set right DON'T move the bit up or down or move the fence and the flat pass member should come out right on the button.
Note **** It needs to come to a SHARP point on both members of the joint, you can sand it just a bit after the joint is glued up or you can use a 1/8" round over bit to get a nice clean look to the joint, that's if it's not a plywood stock.
Here's some links to a Show-and-Tell how to set the bit up and how to use it.
I have used this type of bit before and once setup correctly, loved it. As said previously, set up and stock thickness is the key to success. I think that I got instructions either off of the woodline or MLCS website. It was a copy of an article from a magazine.
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