check jens from stomp it on youtube, he has skieed them last 2 seasons , and mostly does park.
channel link
https://www.youtube.com/channel/UC1Ho5YvHCtyReazatbhBowA
https://www.newschoolers.com/videos/watch/954846/HOW-TO-FLATSPIN-AND-RODEO-ON-SKIS---Stompit-Tutorials
I have them myself with +2 mounting, so 5cm ish back of center, light and fairly stiff, I only do jumps and boxes on them, I think they are too nice to rail, and have other skies for that ;)