A plug can include a body defining a top body end and a bottom body end, the body defining an outer surface extending between the top body end and the bottom body end and a plug recess extending into the body from the outer surface; and a locking mechanism including a locking bar, the locking bar rotationally fixed relative to the body, the locking mechanism reconfigurable between a locked configuration and an unlocked configuration, the locking bar positioned at least partially within the plug recess, at least a portion of the locking bar extending outward from the plug recess in the locked configuration.