Here's a fun project we found online from a great blog: Garnstudio DROPS Design ... some super cute booties to crochet!
GARTER ST (back and forth on needle): K all rows.
Cast on 36-38-40 sts on double pointed needles size 6 mm / US 10 with 1 strand medium gray (or color no 3720 medium pink) and 1 strand gray mix. Work rib K 1/P 1 in the round until piece measures approx. 10 cm / 4''.
Now keep the first 9-11-11 sts on the round on the needle, slip the remaining 27-27-29 sts on a stitch holder.
Continue with rib back and forth over the 9-11-11 sts for upper foot piece - AT THE SAME TIME on 1st row cast on 1 new st in each side (edge st) = 11-13-13 sts.
When 7-8.5-10 cm / 2 3/4''-3 1/4"-4" have been worked, bind off starting on a RS row 1 edge st in each side, by binding off 1 st in the beg of next 2 rows = 9-11-11 sts.
Work next row from RS: work the 9-11-11 sts in rib as before, then inside 1 edge st pick up 12-14-16 sts along the side of the upper piece, then slip the 27-27-29 sts from stitch holder back on needle work them in rib as before, and finally pick up 12-14-16 sts along the other side of the upper piece (pick up inside 1 edge st) = 60-66-72 sts on needle.
Now measure piece from here.
Insert 1 marker mid front of toe and 1 marker mid back on heel. Continue in the round with rib as before for 2 cm / 3/4''.
Now finish the piece in stockinette st - AT THE SAME TIME K 2 sts tog on each side of both markers on every other round (= 4 sts less per round).
Continue dec until stockinette st section measures 3-3-4 cm / 1 1/8"-1 1/8"-1½" – bind off.
Sew tog seam mid under foot in outermost st to avoid a chunky seam.
LOOSE CUFF WORKED SIDEWAYS:
Cast on 15-17-17 sts on needle size 6 mm / US 10 with 1 strand medium gray and 1 strand gray mix.
Work as follows: 1 st in GARTER ST - see explanation above, * K 1, P 1 *, repeat from *-*, finish with K 1 and 1 st in garter st.
When piece measures 2 cm / 3/4'', bind off for 2 button holes as follows from RS: 1 st in garter st, K 1, P 1, slip 1 st as if to K, K 1, psso, 1 YO, * K 1, P 1 *, repeat from *-* until 5 sts remain, 1 YO, K 2 tog, P 1, K 1, 1 st in garter st.
Continue with rib and in garter st in each side until piece measures approx. 36-37-38 cm / 14 1/4''-14½"-15". Bind off sts with K over K and P over P.
Sew buttons on to cuff and button cuff tog.
Slide cuff 2 cm / 3/4'' down on foot with buttons on the outside of slipper and sew cuff to cast on edge on slipper, sew from WS with invisible stitches.