Spectacle frames

A spectacle frame assembly comprising:

• a primary spectacle frame having a pair of primary frame rims for receiving a pair of primary lenses, a primary frame bridge separating said primary frame rims, a primary frame arm secured to laterally outer portions of each of said primary frame rims, a temple pivotally coupled to each said primary frame arm and a primary frame lug secured to each of said primary frame arms, and
• an auxiliary spectacle having a pair of auxiliary frame rims for receiving a pair of auxiliary lenses, an auxiliary frame bridge separating said auxiliary frame rims, an auxiliary frame arm secured to laterally outer portions of each of said auxiliary frame rims and an auxiliary frame lug secured to each of said auxiliary frame arms, said auxiliary frame lugs each being engageable with a corresponding said primary frame lug with said auxiliary frame lug disposed on top of said primary frame lug so as to secure said auxiliary spectacle frame to said primary spectacle frame,
• wherein, for each pair of corresponding primary and auxiliary frame lugs, one of said primary and auxiliary frame lugs is provided with a magnetic member receivable in an open cavity provided in the other one of said primary and auxiliary frame lugs, said open cavity having a peripheral wall for engaging a peripheral wall of said magnetic member, said other one of said primary and auxiliary frame lugs being formed at least partially of a ferrous material.