Step 1: Helpfull Images

some pics and screenshots from scenes of SPN when Crowley is captured with the demon chains

This way I could do some litte sketches helping me figure out the shape, needed pieces and the pattern that are engraved into the choker and handcuffs.

Step 2: Sketching/tecnical Drawings

here are the sketches I made based on the screenshots. I added some meassurements fitting to my neckline and stuff. Also: the pattern.

Step 3: Carvng the Pattern

I got myself some PVC foam (blue) and used a razorblade to cut out the basic rectangular shape. I then used my printed pattern as a template and carved it into the foam piece.

Step 4: Hinge and Bending

both pieces of foam needed to come together. So I created a hinge and could happily flap the collar!
(photo1-4)

Using my heat gun(be careful not to burn yourself or destroy your engravements) to bend the foam. (photo 5)
TIPP: use apot or something round to get a nice shape when bending the foam!

Testrun - photo 6 ;_; graahh!!

Step 5: Painting

Spray painted the collor with some dark grey paint. I think I did 2 coats.
Using dark sharpies and really watery black acrylic paint to make the piece look more used

I also added some chains( found at local hardware store) to alter the handcuffs (thes still need the engravments ;__;)