Kanji Tattoos

When choosing kanji symbols is that they are only one of three writing systems used in Japan --which is where kanji is used (not China). Kanji is the oldest and most complicated of the three writing systems( kanji, hiragana and katakana). The other systems are hiragana and katakana, with katakana being the most familiar to westerners. Why the most familiar? Because katakana is used specifically