How to Prepare Ribbon Yarn

Unprepared Ribbon Yarn. Note how the width curls in one direction only.
(Fabuloso by Loops & Threads)

Look for the direction in which the end of the yarn curls. You will want to set the yarn so that the edges are curling upward.

Iron With the Curl Facing Upwards

Set the point of the iron in the center of the channel created by the curl.

After Pressing

As you iron, the curl will flatten out.

Spooled, Ironed Ribbon Yarn
(Flaunt by Loops & Threads)

Roll the flattened ribbon gently over an empty toilet paper roll or something similar.