How to make ADB and Fastboot executable

Hi, I am using ADB and Fastboot to install costum roms on my android phone. In debian based distros it was quite easy to use ADB and Fastboot - you just had to install Android SDK Tools. After setting up clearlinux, I did install the Android SDK Tools as a flatpak, but it seems, that I cannot use ADB and Fastboot now via my terminal. Can anyone give me a hint, how I might be able to get ADB and Fastboot working in clearlinux?
Thanks!

I would suggest not using flatpak but just downloading the official zip files from Google instead, then you have access to all the subtools that are in these archives.

Thanks, how do I get access to the subtools by using a zip file?

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Thanks - that did work out!