KnitPro Lace blocking wireshe KnitPro lace blocking wires are a staple for any interested or experienced knit or crochet lace maker! Use these stainless steel wires to stretch and shape shawls, cloths, or other garments and accessories. Firstly, your project must be washed (use lukewarm water and some wool wash, let soak for 15mins and gently remove excess water by squeezing and or wrapping in a towel), then lay out your project on a flat surface atop a lace blocking mat, slide