Für eine erfahrungssichernde Einführung in das Springen am Minitrampolin gibt es empfehlenswerte Modelle, nach denen vor Beginn dieses Vorhabens gearbeitet werden kann

One suggestion, but switched around:

(Proper) methods can be recommended for practice before use, which will allow for a safe introduction to mini-trampoline jumping.

...just to get the ball rolling, or to get things jumping - SCNR:)

I'd say something along the lines of:

To ensure practical (introductory) experience on...

To ensure practical experience on...we recommend our introductory courses/training...

You guys are great, thanks so much!