Roblox is essentially a world of its own. It’s not really just clothes but an entire world around you. I don’t know the best way to answer this question for me, but my kids say it’s by playing with other players and picking up their clothes.
I think Roblox could be a fun game if you find some friends or anyone who has connected on there and do things together on the game like play around or make stuff then trade it among themselves or whatever they are doing in-game I think that would be cool because when people connect on Roblox they can chat with one another as well so maybe there are rules about connecting on people in order to keep yourselves safe.