CROCHET BLOCK STITCH,
Use this easy stitch for blankets, scarves, hats, cowls, bookmarks, etc.
2 row repeat (multiples of 3 + 1)

VIDEO DEMO HERE: https://youtu.be/GwKVebzDTLI
WRITTEN INSTRUCTIONS BELOW THE VIDEO IN THE 1ST COMMENT.

FOR A COWL; Work a foundation chain that will pass over the head.

FOR A BOOKMARK: chain 22,

FOR A SCARF: chain any length