Gyro Core: Consort [wrist]  

 

To make Merciless Beastkin's Husk Wristguard (with poison focus effect) Combine Gyro Core: Consort with an un-cored leather wristguard template in a Steam Core embedder.

To switch it to Disease focus effect put the above in Bracer Tuneforge Contrivance and hit combine.

All items except the Core can be bought from Automated Vending Unit II in DSH.