[header] How to crochet lace [title] Work up a foundation chain. [step] Attach crochet thread to your crochet hook using a slipknot, then work up 21 chain stitches. [substeps] Check the " tips " section for information on making slip knots and chain stitches. 
You can vary the length of this foundation chain, but make sure that your chains equal a number divisible by your intended groupings plus one. A standard grouping will be five stitches, so your chain count should be a multiple of five plus one extra : 21 , 26 , 31 , 36, etc.