it's not tatw hlaatw - lmatw
tatw hlaatw would be another trick. The trick you're looking for is:
tatw rewinded almatw - lmatw
though reversed almatw is a bitch written normally.
(out)cross (out)atw hatw is what the reversed almatw conains. I guess (out)atw hatw can be written lhatw so (out)cross lhatw.
tatw (out)cross lhatw - lmatw
EDIT: (out)cross lhatw can be seen as hlaatw, so it's not that incorrect, it's just gay. That's all. You should have a better system for naming the tricks, this one sucks atm.
The video's great. Amazing tricks, it's just unbelievable!