Abstract: A clamp device for securing an object, the clamp device including an attachment device configured for attachment to a flat surface in a first direction; and a trigger clamp including a pair of adjustable jaws adjustable in a second direction and an actuation mechanism of the pair of adjustable jaws including both a lock function and an unlock function and an adjustment structure for adjusting a space encompassed within the pair of adjustable jaws, wherein the trigger clamp is coupled to the attachment device, the actuation mechanism is configured to be operated with only one action with only one hand of a user while the trigger clamp is coupled to the attachment device to secure the object in the space and the second direction is disposed substantially at a right angle to the first direction.