This pattern is for knit slippers, but I can totally see using a wool sweater and cutting and serging slippers from it! Home Slippers - DIY. this is knitting, but I bet I could use this to crochet some
Knit up a pair of socks in a bold two-tone chevron pattern. This intermediate socks knitting pattern creates some truly great-looking socks!
Ravelry: Turnalar pattern by Leslie Comstock