Halp!!!111
I need to fix this joint. I tried searching on the interweb but I do not know what things are called so my search is rather futile.
Please give me some pointers or keywords for me to search
these 2 images are of the joint
This is the rivet that broke.
broken rivet
A "riveter" or "rivet gun".
https://www.bunnings.com.au/products/tools/hand-tools/staple…
Doesn't make sense to buy for a one-off, might want to ask some local alternations/dry cleaning places if they'll do it for you for a nominal fee.