To begin your treble crochet decrease, first wrap the yarn twice around your hook.

Then insert your hook into the next stitch, wrap the yarn around your hook and bring it through, so you’ve now got 4 loops on your hook.

Wrap the yarn around your hook once more, and pull it through the first 2 loops on your hook. You now have 3 loops on your hook.

Wrap the yarn around the hook again, and pull it through the next 2 loops. You now have 2 loops remaining on your hook.

Now, wrap the yarn around your hook twice, and insert the hook into the next stitch.

Wrap the yarn around your hook and bring it through the stitch, so you’ve now got 5 loops on your hook.

Wrap the yarn around your hook once more, and pull it through the first 2 loops on your hook. You now have 4 loops on your hook.

Wrap the yarn around the hook again, and pull it through the next 2 loops. You now have 3 loops remaining on your hook.

To complete the treble crochet decrease, wrap the yarn around the hook once more and pull it through all 3 loops on your hook.