I had the same issue w/mine...once I added The VacuVin mod, I said goodbye to arm-fatigue. One quick-fix that I tried and it worked ok, was to use a 1" wide piece of PVC about 18" long and place that over the nose of your [words=https://officialhydromaxpump.com/?uid=6&oid=2&affid=98]Goliath[/words], fit it against your body like normal and then press the whole apparatus against the shower wall using your body-
weight for the necessary force. That may get you through until your VV from Amazon shows-up