So I have a piece of 20mm thick 6068 aluminium (400x300) .

I know I can create holding tabs in cambam when profiling.
Instead of cutting around a piece via profile, I am pocketing around the outside of the piece to be less harsh on the 6mm single flute endmill (although it will have a lot more material to mill) and also I will get much less vibration . I’d like to know if there is a way in cambam to avoid areas while pocketing to avoid clamping areas ? Then I can move the clamps once done to finish.