Another old pattern.
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Size 5 US needles and worsted weight yarn or whatever you need to get gauge of
21 stitches and 30 rows over 4 inches (updated August 2011)
Using a circular needle or double pointed needles:
Cast on 90 for medium [70 for small, 110 for large]
k1, p1, repeat this to end of row
repeat previous row until you’ve finished 20 rows (you may want to do 30 rows for a large soaker)
st st for 40 [30, 40] rows
Bottom and Crotch
If you want to weave the ends together — bind off 40 [30, 50] stitches then knit to end of row
If you want to graft them together — bind off 10 [5, 10] stitches, k20 [20, 30], bind off 10 [5, 10], knit to end of row and move the separated 20 stitches to a stitch holder
Work the remaining 50 [40, 60] stitches as if on single pointed needles (you can switch to them if you want):
slip first stitch knitwise, k2tog, knit to end of row
slip first stitch purlwise, p2tog, purl to end of row
repeat previous two rows until you have 20 [20, 30] stitches on the needle (about 30 [20, 30] rows)
to continue with the crotch:
slip first stitch knitwise then knit to end of row
slip first stitch purlwise then purl to end of row
repeat previous two rows until you’ve finished 50 [40, 60] rows
You can weave or graft this end to the front of the soaker before or after you knit the ribbing for the legs.
using single pointed needles if you wait to connect the crotch or double pointed
needles if you’ve already done it:
pick up an even number of stitches at 5 stitches per inch around the legs
knit one full row
k1, p1, repeat this to the end of row
repeat previous row 29 more times then bind off loosely
If you haven’t joined the two ends at the crotch, do so now and weave the ends of the leg ribbing together, too!
You are welcome to distribute this pattern and use the ideas included and gift or sell whatever you make from it. But if you distribute it, please do so as a whole, with attribution and this info included. Thanks!