jul 27, 2024 · a common method for opening a sentry safe without a key is lock picking. You can use a paper clip or hairpin to try to manipulate the locking mechanism. apr 22, 2024 · one of the simplest methods to open a sentry safe without a key is by using a paperclip. Begin by straightening out the paperclip and bending one end into a small. feb 2, 2022 · you essentially have four methods for opening up your sentry safe when you’ve misplaced your key: Request a…