I won't be held accountable even if for whatever reasons your fingers stop functioning for good
Relax, and without changing the pose of your hands, slide your hands against each other up and down to separate them.
With your hands joined, pull them away from each other with all your might for 10~30 seconds.
Join your hands in front of your chest as shown in the picture.
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Translation needed, please! :)
In basic terms, its a how to comic for guys on how to unfasten a bra...
Not really good with translation but did what I could.
Just... not quite sure what グギグギmeans.