https://www.pyramydair.com/s/m/Hatsan_Piledriver_Big_Bore_PCP_Air_Rifle/5156#10310
Looks pretty entertaining to me.
When will Hatsan learn? Strapping the scope mount to the bottle was a disaster in the Bully causing POI shifts. I don't see why this one would be any better.
I fixed mine by detaching the connection and mounting the scope with a series of offset picatinny risers.
https://www.airgunnation.com/topic/hercules-bully-owners-i-may-have-solved-the-flex-scope-rail-issue/