Step 1:
Take or make a paper strip of about 30x2 centimeters.
Fold aluminium foil around the paper strip.

Step 8:
Fold the tip straight upwards over the short purple line and glue it to the heart, see arrow.

Step 6:
Fold the bangle into a straight line with the heart.

Step 5:
Press the left and right part against each other and fold the right part around the left part. Use glue to connect both parts.

Step 7:
Curve the bangle.

Step 3:
Fold over the short purple line.

Step 2:
Fold in half over the length 2 or 3 times.

Step 4:
Curve the right and left part

Done!
This is an Origami video tutorial for folding the heart bangle:

Picture: Origami Swan Boxes decorated with jewelry