Step 1:
This paper is about 30x15 centimeters, both sides have another color.
Prefold in half, then prefold both edges to the centerline.

Step 8:
This is the other side.
Fold over this prefolded line.
And turn the model.

Step 6:
This is the other side. Fold the red part in half over the left line, then fold over the right line.

Step 11:
Fold over these four lines, use the prefolded lines as guidance.

Step 10:
Fold over these two lines and turn the model again.

Step 9:
Prefold over these two lines.

Step 5:
Fold over these two lines, use the prefolded lines as guidance.

Step 7:
Fold over these three lines.

Step 3:
Prefold in half, then prefold the edge to the centerline.

Step 2:
Prefold both edges to the prefolded lines.

Step 4:
Prefold over this line, see arrow

Step 12:
Fold the left and right part into a straight angle, use glue or tape.

Step 13:
Close the clutch by inserting the flap in the opening on the left, see arrow.

Picture:  Red clutch styleboard with accessories (Bracelets, MakeUp and Scrunchies)

Done, I used a long paper strip as handle.