0 to undo (something that is fastened) -- rozepnout; otevřít
He unfastened (the buttons of) his jacket.
However, since 1973 all belts fitted in new vehicles must be capable of being fastened and unfastened with one hand.
If you go to the best tailors they give you four, two of each: if you go to a bad tailor none of them unfasten.
The fastening or unfastening device must be positioned where it can be easily found by the wearer or by a rescuer.
There is a great deal to be said for seat belt fastening and, far more important, for seat belt unfastening to be made simpler.
Some types of handcuffs can be unfastened using paper clips.
Initially the bridge was periodically unfastened to allow steamers and other marine vehicles to pass through.
Reports say that he may have panicked on the dark ride and unfastened his seatbelt.
Its two ornamental buttons at the front can be unfastened in order to let down earflaps for harsh weather.
