You will also need:
1 Pair of 3.25mm (UK10) Knitting Needles
Stitch Holders
4 x Buttons for Buttoned Slippers
Tension:
24 sts and 40 rows to 10cm (4in) over garter stitch using 3.25mm needles.
21 sts and 42 rows to 10cm (4in) over fishermans rib using 3.25mm needles
26 sts and 32 rows to 10cm (4in) over stocking stitch using 3.25mm needles.