What do you call metal stuffs embedded onto clothing? It can be gold, silver or even plastic or other non-metal. What do you call these things embedded into clothing?
You may be thinking of "Embossing", "Beading", "Sequin", "Spangle", or something similar? This link guides one through the many possible ways of accessorizing fabrics.
I would think this is an example of "Spangle", as it seems to involve small shiny pieces of metal or plastic used for decorating clothes, but the pieces do not penetrate the cloth, thus not studs.
There is a unique word for each and every means of accessorizing or decorating a piece of clothing.
Here is a link to a reasonably comprehensive guide.