Cuatrillo
The Cuatrillo ( Ꜭ, lowercase ꜭ ) is a letter of the Latin alphabet. The letter is similar in appearance to a number 4 with a hook below. The letter was introduced by Spanish missionaries in Latin America actually for the local Mayan languages . The sound that represents this sign, is described by the missionaries as "a getrillter Palatal, between a hard c and k". This sound is now as velar Ejektiv ( IPA: / k / ) is known.
A variant of the Cuatrillo is the Ꜯ which represents a different sound.
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Unicode contains the Cuatrillo to the code points U A72C ( capital letter ) and U A72D (lowercase ).