The History of the Snake Buckle on Masonic Aprons:

          In the early days of speculative Freemasonry in the 18th century, aprons were usually plain white lambskin, reflecting the movement's operative origins. Over time, however, they began to be adorned with various emblems and symbolic elements. The snake motif on Masonic aprons was largely introduced through the influence of regalia manufacturers rather than formal ritual prescriptions. Notably, "snake-shaped belt buckles" — popular i​n 19th ​century military and civilian dress — were also adopted in Masonic apron designs. According to historical accounts, such buckles first appeared on European sword belts around 1575. They fell into disuse during the 17th century but regained popularity in the late 18th century, particularly in the British Army. During the Victorian period, snake buckles became standard fixtures on various garments, including police uniforms and school belts throughout Britain and its colonies. Freemasons, through the evolving styles of regalia manufacturers, incorporated these buckles into apron designs. By the late 19th century, many Masonic aprons featured a belt fastener composed of two opposing snake heads that interlocked. Although they were originally practical, these buckles gradually became the subject of symbolic interpretation within Masonic circles.

The Evolution of the 'Snake Buckle':

          Throughout the 20th century, many Grand Lodges continued to include the traditional snake clasp in their official apron regalia. Degrees continued to include the traditional snake clasp in their official apron regalia. Notably, the apron of the Third Degree, in English, Canadian and certain European jurisdictions, retained the snake motif in its belt hardware. While the British military had transitioned to conventional tongue buckles by the early 1900s, the snake buckle endured in Masonic usage due to its nostalgic aesthetic and perceived esoteric value. It is important to note, however, that the snake motif was never mandated in any recognised ritual or official constitution; it was purely decorative and driven by manufacturers. Nevertheless, some anti-Masonic commentators have misinterpreted this design choice, alleging connections to the so-called 'Brotherhood of the Serpent' or other pseudo-esoteric conspiracies. However, these claims are based on a lack of understanding of the historical and practical origins of the buckle. Over time, the snake buckle has evolved from a purely functional feature to become a Masonic symbol with deep esoteric meaning, representing eternal wisdom, cyclical renewal, and the secrets.

Sou​rces:

[1] WLN20 - The Symbol of Infinity as Ouroboros

[2] BCY Freemasonry - Apron Hooks and Snake Buckle Symbolism

[3] The Great War (1914-1918) Forum - Snake-Belts (P14 and pre war)