Take an origami sheet and fold it along the crease.
Fold the bottom left and right corners upwards.
Now, fold the upper left and right corners downwards.
Open the corners in the direction as shown.
Rotate downside up.
Fold up the front face of the paper.
Open it from the centre and press from Q over P.
Cut the marked part from A to B.
Form the tail by putting D over C and by cutting as shown.
Paste the bottom to form the ring.