Cameron White

You shouldn't need to use a wrangle to attach rigid shapes - the easiest way is to set up rigid skinning just like you would in KineFX, using Capture Packed Geometry
Around 25 minutes into https://vimeo.com/681436612 [vimeo.com] demonstrates this

https://www.sidefx.com/docs/houdini/crowds/diversity.html#adding-static-shapes [www.sidefx.com]

Would you be able to post a file to reproduce how you're setting up the props?

To add resistant to rotation (while still within the limits), you can turn on Enable Motor and Target Current Pose, which will try to maintain the current relative orientation depending on the motor's strength