The mark consists of a black outer circle and an inner circle. The outer circle is solid. The inner circle is drawn sketch-like, with minor imperfections. The two circles create a ring of space in which the words unhitched and spirits appear at the top of the bottom of the ring, respectively, in tan capital letters. Additionally within the ring are two tan dots on the left and right side of the ring. Sketch-like curved lines flank each tan dot. Black horseshoes form the letters U and S within the space created by the inner black circle. Above the U and S is est. in lower case black letters. Below the U and S is 2021 in black.