Carpet retainer?

So I’ve been fighting with my carpet 1996(7) xk8 getting bunched up since I bought the car and I know I’m missing the holders, but I thought they were more like the ones in my XJS. I thought I found what I need, but then there was another “retainer” that showed up on a website. So what does the “carpet retainers” that are under the seat actually look like? Are they just the plastic turnbuckle?

Ok so I found out that my retainers are these