The term 'ornamental fastener' refers to a type of decorative item used to secure clothing or other items. The crossword solutions for this term are FROG (4 letters), cufflink (8 letters), and beltbuckle (10 letters). Frogs are small, four-legged amphibians that have been used as decorative elements on clothing since the Middle Ages. Cufflinks are small, ornamental fasteners used to secure the cuffs of dress shirts. Beltbuckles are metal fasteners used to secure a belt around the waist.