From what I have read elsewhere women of that time loved to get bottles of that scraped off sweat. It turned them on for some reason.
Well, seeing the shape of a strigil, that makes sense. Being curved and having a vessel-like cavity makes no sense otherwise. A straight, flat blade would have done just as well. But saving the sweaty perspirations of a major gladiatorial battle would be quite the souvenir for wealthy Roman women.
The gladiators, or their owners’ probably sold it at a premium price..........................