Blo stands for “back loop only.” This is a direction for where you should work the indicated stitch. Single crochet back loop only (or sc blo) indicates that you should insert your hook under the back loop only, not under both loops, when working your next single crochet.
What is Flo and BLO in crochet?
When you learn how to crochet, you are instructed to insert your crochet hook through both loops of a stitch. ... This is called “front loop only” (FLO) or “back loop only” (BLO) crochet, depending on which stitch you are working into.
What is single crochet BLO?
Blo stands for “back loop only.” This is a direction for where you should work the indicated stitch. Single crochet back loop only (or sc blo) indicates that you should insert your hook under the back loop only, not under both loops, when working your next single crochet.