In this article, I’ll show you how to knit socks with CraSy Trio needles. This guide is especially helpful for beginners who may find it difficult to work with a new type of knitting tool.
Knitting socks with CraSy Trio needles is becoming increasingly popular among knitters. Many crafters are interested in learning the step-by-step process of making socks with these flexible needles.
If you’re considering buying this innovative knitting tool, this guide will help you decide whether CraSy Trio needles are right for you.

What Are CraSy Trio Needles?
Manufacturers of CraSy Trio needles claim they have created an innovative way to knit small-circumference projects in the round.

A CraSy Trio set consists of three flexible double-pointed needles connected by short cables (about 4 cm long). Each needle has two tips: one sharp and one slightly blunt. The sharper tip is used for knitting. Stitches are divided between two needles. The third needle is used as the working needle.
Available Types
Short CraSy Trio (21 cm): both tips approx. 8.5 cm
- Long CraSy Trio (26 cm): both tips approx. 10.5 cm
Each version includes one sharp and one slightly rounded tip for комфортного вязания.
How to Knit Socks with CraSy Trio Needles
Knitting socks with CraSy Trio knitting needles is quite simple once you master the technique of using them.
The set usually includes a basic guide for knitting classic socks with a heel flap. Also provide size charts for yarn with a gauge of approx. 420 m / 100 g, covering sizes from EU 22 to 45.
Sock Size Chart (Knitting Socks)
| Size (EU) | 22/23 | 24/25 | 26/27 | 28/29 | 30/31 | 32/33 | 34/35 | 36/37 | 38/39 | 40/41 | 42/43 | 44/45 |
| Foot Length (cm) | 14,5 | 16 | 17,5 | 19 | 20 | 21,5 | 23 | 24,5 | 25,5 | 27 | 28 | 29 |
| Total Stitches | 40 | 44 | 48 | 48 | 52 | 52 | 56 | 56 | 60 | 60 | 64 | 68 |
| Heel Stitches | 20 | 22 | 24 | 24 | 26 | 26 | 28 | 28 | 30 | 30 | 32 | 34 |
| Heel Flap Rows | 18 | 20 | 22 | 22 | 24 | 24 | 26 | 26 | 28 | 28 | 30 | 32 |
| Heel Turn Division | 6,8,6 | 7,8,7 | 8,8,8 | 8,8,8 | 8,10,8 | 8,10, 8 | 9,10,9 | 9,10,9 | 10,10,10 | 10,10,10 | 10,12,10 | 11,12,11 |
| Picked-Up Stitches (per side) | 9 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 16 |
| Gusset Decreases (each side) | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 6 |
| Foot Length Before Toe (cm) | 10,5 | 11,5 | 12,5 | 14 | 14 | 15,5 | 17 | 18 | 18,5 | 20 | 21 | 22 |
Toe Decrease Frequency (after first decrease round)
| Decrease Frequency | 22/23 | 24/25 | 26/27 | 28/29 | 30/31 | 32/33 | 34/35 | 36/37 | 38/39 | 40/41 | 42/43 | 44/45 |
| Every 4th round | – | – | – | – | – | – | 1 | 1 | 1 | 1 | 1 | 1 |
| Every 3rd round | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| Every 2nd round | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Every round | 4 | 5 | 6 | 6 | 7 | 7 | 6 | 6 | 7 | 7 | 8 | 9 |
| Total Sock Length (cm) | 12 | 14,5 | 15,5 | 17 | 18 | 19,5 | 21 | 22 | 23,5 | 25 | 26,5 | 27,5 |
Materials and Tools
- 100 g hand-dyed sock yarn (75% merino wool, 25% polyamide), 330 m / 100 g
- Gauge: 29 stitches × 42 rows = 10 × 10 cm = 4 х 4 inch
- CraSy Trio needles size 2.5 mm = (US) № 1.5 = (UK) № 12
- Scissors
- Ruler
- Tapestry needle
Stitch Patterns
- Stockinette stitch: knit all stitches in the round
- Ribbing 2×2: k2, p2
Size
EU 36–37= UK 3,5 – 4,5 = US 5,5 – 6,5
(You can adjust the size using standard sock charts.)
Instructions how to knit socks with CraSy Trio
Cast On and Cuff
Cast on 56 stitches using CraSy Trio needles (2.5 mm). Divide stitches evenly: 28 stitches per needle. Join in the round and knit using the third needle.

Work 2×2 ribbing for 7–8 cm. Then switch to stockinette stitch and knit about 12 cm before starting the heel.
Heel (Heel Flap and Turn)
The heel is worked on half of the stitches (28 stitches). The front stitches remain on hold. Work the heel back and forth in rows. The heel should form a square shape: For size EU 37: 28 stitches and 26 rows.

Heel Turn
Divide stitches into three parts.
- Knit 18 stitches, then knit stitches 19 and 20 together. Turn work
- Purl 9 stitches, purl the next two together. Turn work
Continue working the center stitches, knitting the last stitch together with the next side stitch each row until all side stitches are used.
Finish with a knit row.
Picking Up Stitches
- Pick up 13 stitches along one side of the heel
- Knit 28 stitches of the top of the foot
- Pick up 13 stitches along the other side

Now you have:
- 36 stitches on the heel needle
- 28 stitches on the top of the foot needle
Gusset
Decrease stitches every other round:
- Knit the first two and last two stitches together on the heel side
Repeat until you return to 56 stitches total.
Foot
Continue knitting in the round until the foot measures about 18 cm.
Toe (Wedge Toe)
Row 1: k1, k2tog tbl, k22, k2tog, k1
Rows 2–4: knit all stitches
Row 5: k1, k2tog tbl, k20, k2tog, k1
Rows 6–7: knit all stitches
Row 8: k1, k2tog tbl, k18, k2tog, k1
Rows 9–10: knit all stitches
Row 11: k1, k2tog tbl, k16, k2tog, k1
Row 12: knit all stitches
Row 13: k1, k2tog tbl, k14, k2tog, k1
Row 14: knit all stitches
Row 15: k1, k2tog tbl, k12, k2tog, k1
Row 16: knit all stitches
Row 17: k1, k2tog tbl, k10, k2tog, k1
Row 18: k1, k2tog tbl, k8, k2tog, k1
Row 19: k1, k2tog tbl, k6, k2tog, k1
Row 20: k1, k2tog tbl, k4, k2tog, k1
Row 21: k1, k2tog tbl, k2, k2tog, k1
Row 22: k1, k2tog tbl, k2tog, k1
Row 23: k2tog tbl, k2tog
Finishing
Weave in all yarn ends. Wash socks in cool water. Lay flat to dry
Conclusion
This guide shows how to knit socks with CraSy Trio needles. With this method, you can easily knit socks of any size using flexible needles designed specifically for small-circumference knitting in the round.
CraSy Trio needles are a great alternative to traditional double-pointed needles and circular knitting methods, offering comfort and efficiency for modern knitters.
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