ŧ

See also: ǂ, đ, and Appendix:Variations of "t"

ŧ U+0167, ŧ LATIN SMALL LETTER T WITH STROKE ← Ŧ [U+0166] Latin Extended-A Ũ → [U+0168]

Some sans-serif typefaces have a straight and symmetrical ŧ that resembles the letter ǂ.