Durock Lupine Switches are upgraded versions of the L7 switches with improvements towards the wobble between top housing and stem. This is because it has a box style stem with clam shell housing style. It also holds a 2-stage gold long spring for a quicker return.
Unlike other JWK switches, these have kailh style stems have clam shell housings which helps out alot. Films will help, but not as well as others.