BOYE-Hairpin Lace Kit. Hairpin lace consists of lovely and delicate loops made on a large hairpin-like crochet tool and secured at the center with crochet stitches. Later the strips of hairpin lace are joined to make the finished article. The tool measures 10x4-1/2 inches and an instructions for use are included on the packaging. Complete package contents include one hairpin lace tool; one crochet hook; and instructions.