High-quality set of 2 made of wood and metal, made in Germany. - Brand: FussPercussion - Made in: Germany - Materials: Wood, Metal - Type: Shaker, Castanets - Quantity: Set of 2 Thank you for viewing. These are small instruments that attach to the heels of shoes to create rhythm. For those who sing and play guitar, or use a cajon, they might be useful for adding a little extra rhythm. These are used items, so please refrain from purchasing if you are concerned about scratches or stains.