I think this is pretty cool.

Its from a book called Join-As-You-Go Afghans (Paperback)
by Bobbie Matela (Author) that is put out by the Needlecraft Shop.

Hi-Fi Companions Afghan

From Columbia Minerva Afghan Book 722 as posted on www.freevintagecrochet.com.

Uses worsted weight yarn and a "Boye" Aluminum Crochet Hook "J" (Size 9)

Gauge: 1 Pattern (3 Sts.) to 1 inch
Pattern Stitch: (Multiple of 3 ch. plus 1)

Ch. desired length.

Row 1--With Color 1, 1 S.C. in 2nd Ch from hook, 1 D.C. in next Ch., 1 Tr.C. in next Ch., *1 S.C. in next Ch., 1 D.C. in next Ch., 1 Tr.C in next Ch., repeat from * to end of row, drop yarn but do not break.

Row 2--Draw Color 2 through loop on hook. Ch. 1, *1 S.C. in Tr. C. of previous row, 1 D.C. in next St., 1 Tr. C. in next St. (S.C. of previous row), repeat from * to end of row, drop yarn, but do not break.

Row 3--Draw Color 3 through loop on hook, Ch. 1 and work same as Row 2.

Row 4--Draw Color 1 through loop on hook and work same as Row 2. Repeat Rows 2, 3 and 4 for Pattern.