I'm 15 and I've been skiing for 10 years. This is my first season skiing park. I lease my skis every year (still growing) at a small shop that gives pretty good equipment. The problem is, when i got twin tips (volkl alleys) this season, they put lifted bindings on them. I had no idea that I needed free ride bindings. Now, they don't wanna mount free ride bindings on them cuz they don't wanna drill more holes. I'm stuck with these bindings for this season. Are they ok for my first season of park or should I "motivate" ($$$) the shop to remount different bindings. The 20 is for an idea of the lift.