What tool to open up laptop

[wigster]

It should be easier to open up after the first time of doing so but I'm always reluctant to use metal when prying plastic panels open, as they can gouge. Actual guitar picks are good in theory but I find them to be very brittle and snap off inside the joins when prying, which can create its own problems.

I didn't want to use the knife but that was the only thing I could use to open it up a bit, I watched a video and the person used something similar to open up the corner then he used a plastic tool, whare ever he was using to start it off was something proper,a guitar pick would have been to thick to start it off.