Ʈ
The letter Ʈ (minuscule: ʈ), called T with retroflex hook, is a letter of the Latin alphabet based on the letter t. It is used to represent a voiceless retroflex plosive in the International Phonetic Alphabet, and is used some alphabets of African languages.
Use on computers
The majuscule and the minuscule are located at U+01AE and U+0288 in Unicode, respectively. As of 2006, only a handful of fonts support this letter.