I used a footrest to help me get into my harness when I had the miniplane PSF. I just could not get into it easilly without it. I think my harness may have been too small in hindsight.
But now, with the parajet zenith, that harness is designed so well that the seat just pops into position naturally, and easy to pop out of too…I would suggest you spend some time hang testing and practicing getting in and out. and be sure to adjust the harness well. getting those leg straps just right makes a huge difference…I never moved the foot rest to the new machine because it was not needed, the harness has a front “recliner” flap that you can adjust in flight…probably not as comfort as the foot rest, but a step up in comfort anyway.
Toby