Billion dollar global insight for real life, movie, anime, or thesis to feedback to management and max profits. Add in global future martial arts scene metal cudgel with hard wooden veneer skin. E.g. Turn tree trunk into wooden pipe to insert Liquid Metal in the middle of pipe. Use weapon as surprise counter attack when enemy use sword to attempt to chop off wooden cudgel, but can’t do so. Counter attack on surprised enemy and defeat him or her.