Irish Dancing Dance Shoe Buckles classic deluxe blue blue mixBuckles for irish dance heavy shoe jig shoe. Free matching number clip included with your buckle purchase For these pretty Blue ombre design buckles we used a mix of 6mm ss30 crystal rhinestones, aquamarine, capri, and sapphire to embellish the buckles with stunning blue hues. With added smaller crystal to ensure no gapping . The buckle is attached to the shoe by threading the shoelaces through the arm brace at the back of the buckle.