User blog comment:Zathronas/Analysis by an author - episode 12 End of the beginning/@comment-14061097-20160214213239/@comment-26397825-20160214215553

The lockers also seem to only be launchable from the outside. He doesn't really have anything to grab onto it with other than his fingers, and Ruby at least used her scythe as an anchor point. It probably travels too fast for someone to hold onto without an anchor.