The phrase "great prop" refers to an object or item that is excellent or outstanding in supporting or enhancing a performance or event. Full definition
I give great props to anyone that can go outside of their comfort zone to try something new. (throughanaussieseyes.com)
That said, we felt like there were still a lot of great prop betting opportunities that weren't being offered. (sportsinsights.com)
They also have really great props to use as well, like blanket, blocks and bands, and a neat water station to fill up your water bottle. (westsideyoga.com)