A dispensing cabinet (810a-810d), comprising: a self-adjusting biometric sensor including a scanner configured to capture a biometric data, and an adjustment mechanism configured to respond to a force applied to the biometric sensor by shifting the biometric sensor from a neutral position to an adjusted position, the adjustment mechanism further being configured to respond to the removal of the force by returning the biometric sensor to the neutral position, the scanner being able to capture a first biometric data of a first user while the biometric sensor is in the neutral position, and the scanner being able to capture a second biometric data of a second user while the biometric sensor is in the adjusted position; a storage container; a fastener configured to secure one or more contents of the storage container; and a controller having at least one data processor configured to receive, from the biometric sensor , the first biometric data and/or the second biometric data, and control, based at least on the first biometric data and/or the second biometric data, the fastener securing the one or more contents of the storage container, wherein the biometric sensor in the neutral position is able to capture the biometric data of a threshold quantity of users interacting with the dispensing cabinet (810a-810d) including the first user and wherein the controller is adapted to determine the neutral position of the biometric sensor based at least on a frequency and/or a magnitude of adjustments made to the biometric sensor and to output a corresponding configuration of the neutral position for the biometric sensor . a self-adjusting biometric sensor including a scanner configured to capture a biometric data, and an adjustment mechanism configured to respond to a force applied to the biometric sensor by shifting the biometric sensor from a neutral position to an adjusted position, the adjustment mechanism further being configured to respond to the removal of the force by returning the biometric sensor to the neutral position, the scanner being able to capture a first biometric data of a first user while the biometric sensor is in the neutral position, and the scanner being able to capture a second biometric data of a second user while the biometric sensor is in the adjusted position; a storage container; a fastener configured to secure one or more contents of the storage container; and a controller having at least one data processor configured to receive, from the biometric sensor , the first biometric data and/or the second biometric data, and control, based at least on the first biometric data and/or the second biometric data, the fastener securing the one or more contents of the storage container, wherein the biometric sensor in the neutral position is able to capture the biometric data of a threshold quantity of users interacting with the dispensing cabinet (810a-810d) including the first user and wherein the controller is adapted to determine the neutral position of the biometric sensor based at least on a frequency and/or a magnitude of adjustments made to the biometric sensor and to output a corresponding configuration of the neutral position for the biometric sensor . <EOS>