Ƙ

Ƙ is a letter of the Latin alphabet, used in Hausa and Karai-karai to represent an ejective.
It was formerly used in the International Phonetic Alphabet to represent a voiceless velar implosive. It was withdrawn in 1993.

Encoding

It is encoded in Unicode at, and.
In ISO 6438, K with hook is encoded as:

Ƙ: C0
ƙ: D0
Alphabets with this letter
African reference alphabet
Pan-Nigerian alphabet
Alphabets for the following specific languages
*Hausa