Emmie a friend of has the one you just bought - she let me try it and I couldn't believe that you had to keep your finger on the trigger non-stop. My hand and wrist were sore after just seconds.
But if you end up keeping it - get really strong tape - pull the trigger up so that it starts operating and wrap the tape tight tight around the trigger - Then you just have to switch it off and on at the plug socket.
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