This looks like a crocheted blanket or scarf made with a Herringbone Half Double Crochet (Herringbone HDC) and finished as a rolled gift 🎁
Below is a clear, step-by-step tutorial in English.

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DETAILED CROCHET TUTORIAL

1️⃣ Materials (Very Important)

• Yarn: Medium weight (Worsted #4)
  • Example: milk cotton, acrylic, or baby yarn
  • Use 3–5 colors or gradient yarn
• Hook size: 5.0 mm – 6.0 mm
  (Use 6 mm if you crochet tight)
• Scissors
• Yarn needle
• Ribbon (for decoration)

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2️⃣ Size Guide (Choose One)

Scarf Size

• Width: 30–35 cm
• Length: 150–180 cm
• Chain: Multiple of any number
  • Example: ch 36

Blanket Size (Like Photo)

• Width: 70–90 cm
• Length: 90–120 cm
• Chain: ch 90–120

👉 The stitch does NOT need a special multiple.

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3️⃣ Foundation Chain (Very Clear)

1. Make a slip knot
2. Chain your desired length
   Example for scarf:ch 36
3. Do NOT pull chains too tight

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4️⃣ Row 1 – Herringbone Half Double Crochet

Start

• Insert hook into 3rd chain from hook

How to Make 1 Herringbone HDC

1. Yarn over
2. Insert hook into stitch
3. Pull up a loop (3 loops on hook)
4. Pull the first loop through the second loop
5. Yarn over
6. Pull through last 2 loops

✔ One stitch completed

Continue

• Repeat in every chain
• At end of row:ch 2, turn

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5️⃣ Row 2 – Very Important Details

1. Yarn over
2. Insert hook into first stitch
   • Do NOT skip
3. Make Herringbone HDC
4. Continue across
5. End of row:ch 2, turn

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6️⃣ Repeat Rows

• Repeat Row 2 for entire project
• Keep stitches loose and even
• Count stitches sometimes to keep straight edges

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7️⃣ Color Change (Clean & Neat)

When to Change Color

• Change at the last yarn over of the final stitch
• Example:
  1. Finish stitch until 2 loops remain
  2. Yarn over with NEW color
  3. Pull through

Suggested Color Pattern

• 6–10 rows per color
• Or use gradient yarn for automatic effect

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8️⃣ Straight Edges Tip (Very Important)

✔ Always insert hook into the top two loops
✔ Do not crochet into chain-2 space
✔ Keep chain-2 loose

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9️⃣ Optional Border (Highly Recommended)

Round 1

• Single crochet evenly around
• 3 sc in each corner
• Join with slip stitch

Round 2 (Optional)

• Reverse single crochet (crab stitch) OR
• Another round of single crochet

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🔟 Finish

1. Cut yarn (leave 10 cm tail)
2. Pull through
3. Weave in ends neatly

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🎁 How to Make It Look Like the Photo

1. Fold lengthwise
2. Roll tightly
3. Tie ribbon around center
4. Add gift tag

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Common Mistakes (Avoid These)

❌ Pulling stitches too tight
❌ Skipping first stitch
❌ Crocheting into turning chain
❌ Uneven tension

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