I had a similar problem for the longest time, but then I got a packer with a tab and it's been a lot better. I think the tab helps with placement, so there's really nothing between my legs or underneath my biobits. Everything hangs in front (unless I'm wearing super tight jeans or something). You can replicate this with a non-tabbed packer by putting your masho into a sock, cutting out holes for the shaft and balls to hang through, and using the top of the sock as a "tab" that you can secure into your boxers.