While there are a few fashionable-looking British lasses here, "glam" seems, at least on this tape, to mostly mean a whole lotta glittery eye makeup. Sadie and Tamara could easily be David Bowie devotees or chicks in a Prodigy video.
At any rate, the problem is too many relentlessly pounding dance beats and not enough "natural sound" coming from the performers. Also, there are quite a few occasions of rapid-fire editing, which tends to make the whole production perhaps better as a music video.
In the closing moments of the second scene, there are actually some hot moments of Sadie and Tamara fucking themselves with dildos. Similarly, the final scene with Omar and Amanda shows some intense moments of pussy-pounding, in a few various positions - doggie, cowgirl, and spoon.