Want to support heavy coats and sensitive clothes on your budget IKEA hangers? Look no further. I got you covered (as long as you have a 3D-printer or access to a 3D print shop)
This mod/hack/improvement fits these BUMERANG hangers from IKEA.
I suggest using a bit of fishing line or any wire to secure them together as show in the video below.
The file can be downloaded for free from Thingiverse.