Smooth it out and undo the buttoned area.;
, Make sure the comb is clean.
 This will lift the button from the garment, separating it and the thread will be obvious above the comb, just under the button.
 Leaving the comb in place, use a razor or extremely fine scissors to cut the thread above the comb and remove the button.
 Remove remaining pieces of thread.

Lay your garment flat.
Take a comb.
Slide the comb under the button.
Cut the thread.
Take the comb off.Repeat as needed for remaining buttons.
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