 To start a penetration, use a hammer and chisel or your selected tool to make the initial opening through the material.
Then wiggle the head of the Metal Pecker into the opening and open the jaws wide enough and place the material to be cut in the back of the opening of the jaws of the Metal Pecker. You'll natually get more leverage and control that way - just like with a pair of scissors.
You can then start cutting and with each stroke the tool will cut a complete metal strip, which will temporarily disppear into the head of the tool then drop out the bottom.
Sometimes you will find the metal strip may temporarily wedge in the lower part of the head but if you make another cut, it will dislodge the earlier material in the head.
How do I get the best use out of my Metal Pecker?
The tool is not designed to be used for cutting long lengths of profile before it is in place. It works best in-situ when you need to cut a penetration in a duct in place or for a skylight or flashing collar around a pipe penetrating a roof.
Once you have inserted the tool into a penetration, open the jaw of the tool as wide as possible and then start cutting - like any tool, you have less leverage the closer you are to the end of the head.
From experience, Mario suggests you can be quite aggressive in your use of the tool. If you are cutting a penetration and need to change direction (90 degrees), slightly pull the tool out of the penetration and then twist the tool 90 degrees, then start cutting it in the new direction
After you use it a few times you will learn how to get the best out of it.
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