411 REFERENCE · Wikibooks
Memorizing the Katakana/The W line
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
kata_wa ワ is a wagon, flipped over and partially broken.
kata_wo ヲ looks like both a 3 or a W flipped onto its side. This of course reminds us of that triply-alliterative conflict near the beginning of the 20th century: World Wor (war) Won (one).
Memorizing the Katakana The W line The Y line Tough characters