Check out Jackall's TN/70.  Jackall uses a patented tungsten body, so according to them they can cram in more rattles, which are combo of glass, tungsten, and steel.  It is a smaller, 3/8oz size trap, but weighs 5/8oz, and runs in that deeper 10-12ft zone.  I scored 6 from Backwater's sale before all the Jackall's sold out.  I also picked up a few Argons, which are jointed crankbaits I'm excited to try.  Anyway...here they are:

Jackall TN/70...

Here is the Argon just for kicks...

If I remember correctly they have thiner diameter walls for the body which just lets the rattles clack louder. An obvious concern would be does this take away from the baits reliablity as far as cracking the body. If these are the baits your talking about then I dont own any yet but might plan to see some in the future sometime.. or maybe not who knows I think im set for lipless cranks for now. Not too interested in them atm I have my LVRs, Rattle N'Vibes, DRUMs, etc.. My main baits are Lucky Craft and Megabass if Jackall makes something unique that the other company dont offer a similar bait of or if they stand apart in terms of performance then thats when I go looking for baits like those. I love them because LOTS of people dont even know about them (MegaBass, Jackall, Evergreen, and sometimes even Lucky Craft, theres more). Throwing baits on bodies of water fish dont usually see can and often do result in you being the one catching the fish.

I'll let you know how they perform when I get them wet; it will probably be a couple of months before they see the water.  From shaking them, they are noticeably louder than the Lucky Craft LVR's...similar to a Rattlin' Vibe but with a different frequency.  Experimenting with baits is one of my favorite parts of this hobby, and with the higher quality baits, resale value is great, so selling them if they don't produce for me shouldn't be a problem.