[areyouabus (Pauly)]

Hi all, hoping someone has done this already.
I have been struggling to find faint galaxies using my current generic 9x50 finder scope so am looking at upgrading to an ST80 which can also be used as a travel/kids scope.

Just wondering how i can best mount it to my 8" collapsible dob so that it can be still taken off easily?
Getting 80mm guide scope rings (like the ones at bintel) and then some kind of mount to then attach through the finder scope dovetail seems like the best way without drilling new holes.
I have tested having 2kg extra at the top and it doesn't seem to affect balance much.
I have thought of using a large aperture finder scope but these all seem to have helical focusers which turn the eyepiece in a right angle diagonal.

thank you for any assistance!