I always enjoy the odd fetish artwork often found on old pulp erotic novels. From what I’ve read on the history of these things, there was often little connection between the title, the contents and the cover. The publisher would slap together whatever he thought would sell. In this particularly case the title and the artwork seem particularly badly matched. The four predatory female figures are clearly neither little nor young girls. I guess they could be gay but, if so, I’m not sure why they’d be dressed like that or focused on the hapless male. I’m guessing readers of these books probably weren’t looking for too much logic in their erotica.
I’m pretty certain the art is the work of Eric Stanton. I found it on the Fetish Sleaze Art blog.